On May 17, 1749, English physician and scientist Edward Anthony Jenner was born, who was the pioneer of smallpox vaccine. He is often referred to as "the father of immunology".
On January 15, 1908, Hungarian born US theoretical physicist Edward Teller, often referred to as 'Father of the hydrogenic bomb', was born. Teller made numerous contributions to nuclear and molecular physics, and is considered one of the inspirations for the character Dr. Strangelove in the 1964 Stanley Kubrick movie of the same name