Nanno Freerk de Groot (March 23, 1913 – December 26, 1963) was a Dutch artist, he was self-taught and active in New York City.
He wrote: "In moments of clarity of thought I can sustain the idea that everything on earth is nature, including that which springs forth from a man's mind, and hand.
In 1941 he was called for submarine duty by the Dutch Navy and was assigned to Admiral's headquarters on Java where he stayed until the arrival of the Japanese.
He and Elise Asher divorced in 1957, and he subsequently married painter Patricia Richardson (also known as Pat de Groot).
[7][8] He was survived by his wife Pat de Groot,[7][9][4] who created his unique tombstone found at Provincetown’s municipal cemetery.