Alan Turing was criminally prosecuted for homosexuality

Alan Turing was homosexual, living in an era when homosexuality was still both illegal and officially considered a mental illness. Subsequent to his being outed, he was criminally prosecuted, which essentially ended his career.

A cyanide-laced apple Alan Turing left half-eaten

Alan Turing, known as the father of modern computer science, was found dead; the previous day, apparently from a cyanide-laced apple he left half-eaten beside his bed.