Lionel Penrose

British psychiatrist, medical geneticist, mathematician, and chess theorist.

Born June 11th, 1898 in London. [ref]

Died May 12th, 1972 at 73 years old in London. [ref]

Occupations
chess composer, geneticist, mathematician, paramedic, psychiatrist
Wikipedia
Lionel_Penrose

All good is hard. All evil is easy. Dying, losing, cheating, and mediocrity is easy. Stay away from easy. Scott Alexander