Leonardo di ser Piero da Vinci (April 15, 1452 – May 2, 1519)
Johann Friedrich Fasch (15 April 1688 – 5 December 1758)
Leonhard Paul Euler (15 April 1707 – 18 September 1783)
1892 – The General Electric Company is formed
1923 – Insulin becomes generally available for use by people with diabetes