Month → April

03
Apr

April 3, 1932 - Death of Wilhelm Ostwald, Nobel Prize winner for his studies on chemical equilibria, reaction rates and catalysis

04
Apr

April 4, 1919, death of William Crookes, english physicist and chemist

09
Apr

April 9, 1865, birth of Charles Proteus Steinmetz

09
Apr

April 9, 1850 – Death of William Prout, physicist and chemist whose discovery was one of the reasons Ernest Rutherford named the proton

11
Apr

On April 11, 1957, the largest particle accelerator in the world was inaugurated in Dubna (Soviet Union)

13
Apr

On April 13, 2008, the American physicist John Archibald Wheeler died at the age of 96

14
Apr

April 14, 1935 - Death of Emmy Amalie Noether

15
Apr

April 15, 1896 – Birth of Nikolai Semyonov, great physicist, chemist, mathematician, and Nobel Prize winner

15
Apr

April 15 - World Art Day

17
Apr

April 17, 1933 – Death of Harriet Brooks, first Canadian-born nuclear physicist, known for her research on nuclear transmutations and radioactivity

17
Apr

April 17, 1942 – Death of Jean Perrin, his discoveries settling a century-long dispute

18
Apr

April 18, 1955 - Death of Albert Einstein

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