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Ernst Ruska

Ernst Ruska

German physicist (1906–1988)

Ernst August Friedrich Ruska was a German physicist who won the Nobel Prize in Physics in 1986 for his work in electron optics, including the design of the first electron microscope.

Ernst Ruska was born on Tuesday, 25. December 1906.
That was day 359 of the year 1906.

Past away on Freitag May 27, 1988

Age when dead:
81 Jahre 5 Monate 2 Tage

Next birthday would be:
Sunday December 25, 1988

Ernst Ruska is already dead since:
37 Jahre 9 Monate 16 Tage

Ernst Ruska was alive for 29739 days.
Ernst Ruska is already dead for 13806 days.
Difference: 15933 days (43,62 years).

Ernst Ruska has the same birthday like
Isaac Newton, Murphy Guyer and Ghislaine Maxwell

The death date of Ernst Ruska is the birthday of
Yasuhiro Nakasone, Henry Kissinger and Paul Bettany

Birthday Fun Facts

Things that matter



  • The day 25 of month December 1906 was the 25th day of Winter (meteorological). The day 25 of month December 1906 was the 5th day of Winter (astronomical).
  • Age 81 The number 81 represents the element Thallium in the Periodic table of elements.
    Thallium is a post-transition metal with various industrial and technological applications.
  • Since you visited this page, people have been born. In total there are people born today. They all celebrate the same birthday as you.

Who has the same birthday as Ernst Ruska?

Famous people and celebrities

Ghislaine Maxwell 64

Ghislaine Maxwell

British socialite and sex trafficker, daughter of Robert Maxwell, accomplice of Jeffrey Epstein

Born: December 25, 1961

🎂 Turns 65 years
Isaac Newton 84

Isaac Newton

English mathematician and physicist (1642–1727)

Born: December 25, 1642

Died: March 31, 1727

Would be 384 years
Justin Trudeau 54

Justin Trudeau

23rd prime minister of Canada from 2015 to 2025

Born: December 25, 1971

🎂 Turns 55 years
Louise Bourgeois 98

Louise Bourgeois

French-American artist (1911–2010)

Born: December 25, 1911

Died: May 31, 2010

Would be 115 years
Íngrid Betancourt 64

Íngrid Betancourt

Colombian-French politician

Born: December 25, 1961

🎂 Turns 65 years

Same vintage - 1906

These people were born in the same year

Clyde Tombaugh 90

Clyde Tombaugh

American astronomer (1906-1997)

Born: February 4, 1906

Died: January 17, 1997

Would be 121 years
Leonid Brezhnev 75

Leonid Brezhnev

General Secretary of the Communist Party of the Soviet Union (1906–1982)

Born: December 19, 1906

Died: November 10, 1982

Would be 120 years
Luchino Visconti 69

Luchino Visconti

Italian director (1906–1976)

Born: November 2, 1906

Died: March 17, 1976

Would be 120 years
Mary Astor 81

Mary Astor

American actress and author (1906–1987)

Born: May 3, 1906

Died: September 25, 1987

Would be 120 years
Philo Farnsworth 64

Philo Farnsworth

American inventor (1906–1971)

Born: August 19, 1906

Died: March 11, 1971

Would be 120 years
Prithviraj Kapoor 65

Prithviraj Kapoor

Indian actor (1906-1972)

Born: November 3, 1906

Died: May 29, 1972

Would be 120 years
Puyi 61

Puyi

Last Emperor of Qing dynasty and Manchukuo (1906–1967)

Born: February 7, 1906

Died: October 17, 1967

Would be 121 years
Roberto Rossellini 71

Roberto Rossellini

Italian film director (1906–1977)

Born: May 8, 1906

Died: June 3, 1977

Would be 120 years
Sergei Korolev 59

Sergei Korolev

Soviet rocket engineer and spacecraft designer (1907-1966)

Born: December 30, 1906

Died: January 14, 1966

Would be 120 years

Did you know? Ernst Ruska is ...

  • » 777 days older than Dean Rusk (Born: 09.02.1909)

Great Generation

Period: 1901 ‐ 1921

At 81 years, Ernst Ruska belongs to the "Great Generation". Well-known figures of this generation include Albert Camus, Salvador Dalí und Arshile Gorky.

Astrology

Zodiac

♑ Capricorn

(December 22, 1906 - January 20, 1906)

Zodiac sign

Horse

(December 22, 1906 - January 20, 1906)

Life Number

8

(Success-oriented, strong-willed, sometimes jealous)

Birthstone

Blue Topaz

(Communication, wisdom, calm)

Age in absolute numbers

Since Ernst Ruska was born...

2.569.446.000 Seconds
42.824.100 Minutes
713.735 Hours
29.738 Days
4.248 Weeks
1431 Months
81 Years
8.14 Decades
0.81 Centuries

On June 13, 2027 would be Ernst Ruska exactly 44000 days old.
On February 19, 2041 would be Ernst Ruska exactly 7000 weeks old.

By the way: Since you are here you are getting seconds older 😉

Milestones

Successes that speak for themselves

With 81 years alive you reached these milestones:

Sleeping

9.913 days

A human spends about one third of their life sleeping. That’s an average of around 9.913 hours per day. At your age of 81 years, that equals approximately 9.913 days (27,14 years).

Eat & Drink

1.239 days

The average person spends about 1 hour a day eating and drinking. At 81 years, you have therefore spent approximately 1.239 days eating. (3,39 years).

Toilet visits

620 days

The average person spends about 30 minutes on the toilet every day. That's a total of 620 days (1,70 years).

Wait

1.033 days

The average person spends about 30 minutes on the toilet every day. That's a total of 1.033 days (2,83 years).

Laugh

124 days

We laugh for about six minutes a day. That's actually far too less. That's a total of 124 days (0,34 years).

Brush teeth

83 days

We laugh for about six minutes a day. That's actually far too less. That's a total of 83 days (0,23 years).

Work

8.054 days

We laugh for about six minutes a day. That's actually far too less. That's a total of 8.054 days (22,05 years).




Name Zahl Beschreibung
Breaths 770.833.800 Approximately 18 Breaths per minute
Heartbeats 3.211.807.500 Approximately 50-100 heartbeats per minute, depending on your lifestyle. We'll take the average at 75.
Blink 642.361.500 A human blinks roughly 15 times per minute.
Cough 446.084 A human has an average of 15 coughs per day.
Colds 163 A person gets about 2 colds per year.
Sweat produced 4.461 A person produces approximately 0.5–1.5 liters of sweat per day, depending on lifestyle. We'll take the average at 1 liter per day.
Fart gases produced (in Liters) 29.739 A person farts approximately 12 times a day, producing almost 0.8 liters of gas.
Flies swatted 570 We swat 7 flies per year.
Mosquitoes killed 1.466 We kill approximately 18 mosquitoes per year.
Red blood cells formed 594.779.166.666.667 A person produces approximately 20 billion red blood cells per day.
Hair grown (in mm) 9.814 Our hair grows approximately 0.33mm per day.
Fingernails grown (in mm) 3.399 Fingernails grow approximately 0.8mm per week.
Cookies eaten 35.389 We eat approximately 35,000 cookies in our lifetime.
Bouts of vomiting 326 A person vomits approximately four times a year, depending on lifestyle.

Information is based on statistical average values of a person.

Travelled distances

Always on the move

According to statistical averages, you have walked 107.060 kilometers in your life...


... that corresponds to 2,67 orbits of the Earth...


... 9,81 moon orbits.


... and 5,02 Mars orbit on foot.



107.060 kilometers means:

4.071 years with a snail 🐌 (at 3m/h).
797 days on a donkey 🫏 (at 5,6km/h).
558 days on a Skateboard 🛹 (at 8km/h).
149 days travel with a subway train 🚇 (at 30km/h).
6 days on a plane ✈️ (at 800km/h)
3,82 hours on a Spaceshuttle 🚀 (at 28.000km/h)
105,58 minutes with spaceship Voyager 1 🚀 (at 60840km/h)
9,31 minutes with Parker Space Probe - the fastest object made by humans 🚀 (at 690000km/h)

and

3,61 days sonic speed (at 1234,8 km/h)
0,36 seconds light speed (at 1,08 Mrd km/h)

Astronomy

Our Solar System

During the lifetime of Ernst Ruska ...

... the Moon has orbited Earth 1.088 times.
... Mercury has orbited Sun 338,06 times.
... Venus has orbited Sun 132,35 times.
... Earth has orbited Sun 81,42 times.
... Mars has orbited Sun 43,29 times.
... Jupiter has orbited Sun 6,87 times.
... Saturn has orbited Sun 2,76 times.
... Uranus has orbited Sun 0,97 times.
... Neptune has orbited Sun 0,49 times.
... Pluto has orbited Sun 0,33 times.

Special birthdays

Next major birthday for Ernst Ruska would be: Friday, 25.12.2026 (120 years)

Birthday Year Weekday Date Candles blown
10. 1916 Monday December 25, 1916 55
18. 1924 Thursday December 25, 1924 171
20. 1926 Saturday December 25, 1926 210
25. 1931 Friday December 25, 1931 325
30. 1936 Friday December 25, 1936 465
40. 1946 Wednesday December 25, 1946 820
50. 1956 Tuesday December 25, 1956 1275
60. 1966 Sunday December 25, 1966 1830
70. 1976 Saturday December 25, 1976 2485
80. 1986 Thursday December 25, 1986 3240
90. 1996 Wednesday December 25, 1996 4095
100. 2006 Monday December 25, 2006 5050
110. 2016 Sunday December 25, 2016 6105
120. 2026 Friday December 25, 2026 7260
130. 2036 Thursday December 25, 2036 8515
140. 2046 Tuesday December 25, 2046 9870
150. 2056 Monday December 25, 2056 11325
---

Birthday in numbers

Other Number systems

Decimal:
25 • 12 • 1906
Binary:
11001 • 1100 • 11101110010
Hexadecimal:
19 • c • 772
Octal:
31 • 14 • 3562
Roman:
XXV • XII • MCMVI
Morsecode:
··−−− ····· ·−·−·− ·−−−− ··−−− ·−·−·− ·−−−− −−−−· −−−−− −····
Numbers to letters:
cf • bc • bjag
Cross sum:
26
Factor product:
571800
Birthday in words:
twenty five • twelve • one thousand nine hundred six

Historical Events

How old was Ernst Ruska back then?

Als Jugendlicher 10-20 Jahre

January 16, 1920
Prohibition begins in the United States with the 18th Amendment, banning the manufacture, sale, and transport of alcoholic beverages. (Age: 13 years and 0 months) 🔗
August 18, 1920
The 19th Amendment is ratified, granting women the right to vote across the United States. (Age: 13 years and 7 months) 🔗
March 12, 1921
The Soviet Union adopts the New Economic Policy (NEP), allowing some private enterprise to boost the post-war economy. (Age: 14 years and 2 months) 🔗
February 28, 1922
The United Kingdom unilaterally declares Egypt independent, ending the British protectorate. (Age: 15 years and 2 months) 🔗
October 28, 1922
Benito Mussolini and his Fascist party seize power in Italy following the March on Rome. (Age: 15 years and 10 months) 🔗
November 4, 1922
Howard Carter discovers the tomb of Tutankhamun in Egypt's Valley of the Kings, sparking a global frenzy for archaeology. (Age: 15 years and 10 months) 🔗
December 30, 1922
The Union of Soviet Socialist Republics (USSR) is officially established. (Age: 16 years and 0 months) 🔗
October 29, 1923
The Republic of Turkey is proclaimed by Mustafa Kemal Atatürk, marking the end of the Ottoman Empire. (Age: 16 years and 10 months) 🔗
January 21, 1924
Vladimir Lenin, the leader of the Bolshevik Revolution and first head of the Soviet Union, dies. (Age: 17 years and 0 months) 🔗
January 24, 1924
The first Winter Olympics take place in Chamonix, France, establishing a new tradition in international sport. (Age: 17 years and 0 months) 🔗

Als Erwachsener 20-30 Jahre

May 20, 1927
Charles Lindbergh completes the first solo non-stop transatlantic flight, flying from New York to Paris. (Age: 20 years and 4 months) 🔗
October 6, 1927
The Jazz Singer premieres, the first feature-length motion picture with synchronized sound, marking the end of the silent film era. (Age: 20 years and 9 months) 🔗
February 12, 1928
The first long-distance television broadcast is achieved between London and New York by John Logie Baird. (Age: 21 years and 1 months) 🔗
August 27, 1928
The Kellogg–Briand Pact is signed, in which 62 nations agree to renounce war as an instrument of national policy. (Age: 21 years and 8 months) 🔗
September 3, 1928
Scottish physician Alexander Fleming discovers penicillin, marking the beginning of the antibiotic age. (Age: 21 years and 8 months) 🔗
October 24, 1929
Black Thursday, the first major crash of the U.S. stock market, heralds the start of the Great Depression. (Age: 22 years and 9 months) 🔗
January 26, 1930
The Salt Satyagraha begins: Mahatma Gandhi begins a 240-mile march to protest the British salt tax in India. (Age: 23 years and 1 months) 🔗
March 13, 1930
The planet Pluto is officially discovered by astronomer Clyde Tombaugh at the Lowell Observatory. (Age: 23 years and 2 months) 🔗
September 18, 1931
The Mukden Incident provides the pretext for Japan's invasion of Manchuria, China, marking a key step toward World War II. (Age: 24 years and 8 months) 🔗
May 20, 1932
Amelia Earhart begins her solo non-stop transatlantic flight, becoming the first woman to achieve this feat. (Age: 25 years and 4 months) 🔗

Als Erwachsener 30-40 Jahre

May 6, 1937
The German airship Hindenburg catches fire while landing in Lakehurst, New Jersey, ending the era of commercial airship travel. (Age: 30 years and 4 months) 🔗
December 13, 1937
The Nanking Massacre begins, where Japanese troops brutally murder hundreds of thousands of Chinese civilians and disarmed combatants. (Age: 30 years and 11 months) 🔗
March 12, 1938
The Anschluss: Nazi Germany annexes Austria, violating the Treaty of Versailles. (Age: 31 years and 2 months) 🔗
September 30, 1938
The Munich Agreement is signed, allowing Germany to annex the Sudetenland in Czechoslovakia, an act of appeasement that failed to prevent war. (Age: 31 years and 9 months) 🔗
November 9, 1938
Kristallnacht (Night of Broken Glass) occurs, a coordinated series of violent pogroms against Jews throughout Nazi Germany. (Age: 31 years and 10 months) 🔗
January 5, 1939
The German V-2 rocket program begins under Wernher von Braun, laying the groundwork for later space exploration. (Age: 32 years and 0 months) 🔗
August 23, 1939
The Molotov–Ribbentrop Pact is signed, a non-aggression treaty between Nazi Germany and the Soviet Union, secretly dividing Eastern Europe. (Age: 32 years and 7 months) 🔗
September 1, 1939
Germany invades Poland, officially starting World War II in Europe. (Age: 32 years and 8 months) 🔗
May 10, 1940
Germany launches its invasion of France, Belgium, Luxembourg, and the Netherlands, initiating the Battle of France. (Age: 33 years and 4 months) 🔗
August 13, 1940
The Battle of Britain begins, a large-scale aerial conflict where the Royal Air Force defends the UK against the German Luftwaffe. (Age: 33 years and 7 months) 🔗

Als Erwachsener 40-50 Jahre

June 5, 1947
U.S. Secretary of State George Marshall announces the Marshall Plan, an initiative to aid Western Europe in economic recovery after WWII. (Age: 40 years and 5 months) 🔗
August 15, 1947
India gains independence from British rule, leading to the partition of British India into India and Pakistan. (Age: 40 years and 7 months) 🔗
May 14, 1948
The State of Israel is formally established, leading immediately to the 1948 Arab–Israeli War. (Age: 41 years and 4 months) 🔗
April 4, 1949
The North Atlantic Treaty Organization (NATO) is established as a system of collective defense against Soviet expansion. (Age: 42 years and 3 months) 🔗
October 1, 1949
Mao Zedong proclaims the establishment of the People's Republic of China (PRC), following the Chinese Civil War. (Age: 42 years and 9 months) 🔗
June 25, 1950
North Korea invades South Korea, starting the Korean War, a major conflict of the Cold War era. (Age: 43 years and 6 months) 🔗
March 29, 1951
The 22nd Amendment to the U.S. Constitution is ratified, limiting the U.S. President to two terms. (Age: 44 years and 3 months) 🔗
February 6, 1952
Elizabeth II ascends to the throne upon the death of her father, King George VI. (Age: 45 years and 1 months) 🔗
April 25, 1953
James Watson and Francis Crick publish their paper describing the double helix structure of DNA, a monumental discovery in biology. (Age: 46 years and 4 months) 🔗
June 17, 1953
The Uprising of 1953 in East Germany occurs, where protests against economic policy are suppressed by Soviet troops. (Age: 46 years and 5 months) 🔗

Als Erwachsener 50-60 Jahre

September 4, 1957
The Little Rock Crisis begins as Governor Orval Faubus uses the National Guard to block nine African American students from entering Central High School. (Age: 50 years and 8 months) 🔗
October 4, 1957
The Soviet Union launches Sputnik 1, the first artificial Earth satellite, initiating the Space Race. (Age: 50 years and 9 months) 🔗
March 27, 1958
Nikita Khrushchev becomes Premier of the Soviet Union, consolidating power and leading the nation through the height of the Cold War. (Age: 51 years and 3 months) 🔗
January 1, 1959
Fidel Castro's forces overthrow the dictatorship of Fulgencio Batista, concluding the Cuban Revolution. (Age: 52 years and 0 months) 🔗
February 3, 1959
Rock and roll stars Buddy Holly, Ritchie Valens, and The Big Bopper die in a plane crash, an event later known as "The Day the Music Died." (Age: 52 years and 1 months) 🔗
July 24, 1959
The "Kitchen Debate" between U.S. Vice President Richard Nixon and Soviet leader Nikita Khrushchev takes place in Moscow. (Age: 52 years and 6 months) 🔗
October 21, 1959
The Guggenheim Museum, designed by Frank Lloyd Wright, opens in New York City, becoming an iconic work of modern architecture. (Age: 52 years and 9 months) 🔗
February 1, 1960
The Greensboro sit-ins begin in North Carolina, marking a major turning point in the U.S. Civil Rights Movement. (Age: 53 years and 1 months) 🔗
July 1, 1960
Ghana becomes a republic, with Kwame Nkrumah as its first president. (Age: 53 years and 6 months) 🔗
April 12, 1961
Yuri Gagarin becomes the first human to travel into outer space and orbit the Earth. (Age: 54 years and 3 months) 🔗

Als Erwachsener 60-70 Jahre

June 5, 1967
The Six-Day War begins, a short but decisive conflict between Israel and neighboring Arab states. (Age: 60 years and 5 months) 🔗
December 3, 1967
Christiaan Barnard performs the world's first successful human-to-human heart transplant in Cape Town, South Africa. (Age: 60 years and 11 months) 🔗
April 4, 1968
Martin Luther King Jr. is assassinated in Memphis, Tennessee, leading to riots in many U.S. cities. (Age: 61 years and 3 months) 🔗
August 20, 1968
Warsaw Pact troops invade Czechoslovakia to halt the liberal reforms of the Prague Spring. (Age: 61 years and 7 months) 🔗
July 3, 1969
Brian Jones, founding member of The Rolling Stones, dies just a month after leaving the band. (Age: 62 years and 6 months) 🔗
July 20, 1969
The Apollo 11 mission successfully lands on the Moon; Neil Armstrong and Buzz Aldrin become the first humans to walk on an extraterrestrial body. (Age: 62 years and 6 months) 🔗
August 15, 1969
The Woodstock Festival begins in Bethel, New York, becoming a defining moment for the counterculture generation. (Age: 62 years and 7 months) 🔗
October 29, 1969
The first message is sent over ARPANET, the precursor to the Internet, between UCLA and Stanford Research Institute. (Age: 62 years and 10 months) 🔗
April 17, 1970
The Apollo 13 mission safely returns to Earth after an oxygen tank explosion forced the crew to abort a moon landing. (Age: 63 years and 3 months) 🔗
June 21, 1970
Brazil wins the FIFA World Cup, permanently keeping the Jules Rimet trophy after their third victory. (Age: 63 years and 5 months) 🔗

Als Erwachsener 70-80 Jahre

May 25, 1977
The film "Star Wars: Episode IV – A New Hope" is released, launching one of the most successful film franchises of all time. (Age: 70 years and 5 months) 🔗
July 25, 1978
Louise Brown, the first "test-tube baby," is born in England, marking a major breakthrough in in-vitro fertilization (IVF). (Age: 71 years and 7 months) 🔗
September 17, 1978
The Camp David Accords are signed by Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin, a framework for peace in the Middle East. (Age: 71 years and 8 months) 🔗
February 1, 1979
Ayatollah Ruhollah Khomeini returns to Iran after 15 years in exile, leading to the Iranian Revolution. (Age: 72 years and 1 months) 🔗
March 28, 1979
A partial nuclear meltdown occurs at the Three Mile Island power plant in Pennsylvania, the most serious accident in U.S. commercial nuclear power history. (Age: 72 years and 3 months) 🔗
November 4, 1979
The Iran hostage crisis begins when militant Iranian students storm the U.S. Embassy in Tehran and take 52 Americans hostage. (Age: 72 years and 10 months) 🔗
December 24, 1979
The Soviet–Afghan War begins as Soviet forces invade Afghanistan to support the communist government. (Age: 72 years and 11 months) 🔗
May 18, 1980
The eruption of Mount St. Helens in Washington state, a major volcanic eruption that caused widespread devastation. (Age: 73 years and 4 months) 🔗
December 8, 1980
John Lennon, a co-founder of The Beatles, is assassinated in New York City. (Age: 73 years and 11 months) 🔗
April 12, 1981
The first Space Shuttle, Columbia (STS-1), launches from Kennedy Space Center, marking a new era of reusable spacecraft. (Age: 74 years and 3 months) 🔗

Als Erwachsener 80-90 Jahre

October 19, 1987
"Black Monday" sees stock markets around the world crash, with the Dow Jones Industrial Average dropping by 22.6% in a single day. (Age: 80 years and 9 months) 🔗
December 8, 1987
The Intermediate-Range Nuclear Forces (INF) Treaty is signed by U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev. (Age: 80 years and 11 months) 🔗

Birthday-FAQ for Ernst Ruska

Frequently asked questions

How many birthday candles did Ernst Ruska blow out so far?

» At 81 years, Ernst Ruska has already blown out 3321 birthday candles, if you add up all the birthdays.

When will Ernst Ruska be twice as old as today?

» Ernst Ruska ist 29.738 days old today. On 26.10.2069 Ernst Ruska will be twice as old as today. Ernst Ruska will then be 162 Jahre und 10 Monate years old.

When will Ernst Ruska be half as old as today?

» On 10.09.1947 Ernst Ruska was half of age today. Back then Ernst Ruska were 40 Jahre und 8 Monate years old.

When was Ernst Ruska conceived? - Time of your conception

» That's an interesting question. Let's try it this way: A pregnancy lasts an average of 268 days. If we subtract 268 days from the day of your birth (01.04.1906), we get the 01.04.1906. However, this statement is not very meaningful, since only 3% of pregnant women actually give birth after 268 days. Most pregnant women give birth within a time window of 10 days from the actual due date. Therefore, Ernst Ruska were conceived between 22.03.1906 and 11.04.1906.

How many prime number birthdays has Ernst Ruska had so far?

» At 81 years old, Ernst Ruska has already celebrated 22 prime number birthdays (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79).

How many special birthdays have I had so far?

» At 81 years, you've already celebrated 7 special number birthdays (11, 22, 33, 44, 55, 66, 77). To be able to celebrate 10 special number birthdays, you have to live to be 111. But you still have some time until then. You'll celebrate your 111th birthday on 25.12.2017. You can find out more on the page with all birthdays.

How old was Ernst Ruska at the turn of the millennium in 2000?

» Ernst Ruska was born exactly 33975 days before the turn of the millennium in January 1, 2000. At that time, Ernst Ruska was 93 years and 0 months old.

Oldest person in the world

Ernst Ruska is currently 41 years younger (44721 days) than the officially oldest person in the world, the Frenchwoman Jeanne Calment. She was born on February 21, 1875 and died on August 4, 1997 at the age of 122 years and 164 days.

Ernst Ruska has lived 15933 days longer than he/she was dead.

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Some content and calculations were generated using AI. The content is not guaranteed to be accurate or complete. If you notice an error, you can report it using our contact form.

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