Wyeth and King

Marion Sims Wyeth
Born	1889 New York City, U.S.
Died	1982
Alma mater	Princeton University École nationale supérieure des Beaux-Arts
Occupation	Architect
Parent(s)	John Allan Wyeth Florence Nightingale Sims
Relatives	J. Marion Sims (maternal grandfather) John Allan Wyeth (brother)

Marion Sims Wyeth /ˈwaɪ.əθ/ (1889–1982) was an American architect. He designed mansions including Mar-a-Lago in Palm Beach, Florida, and Shangri La in Honolulu, Hawaii.

Wyeth was born in New York City to Florence Nightingale Sims and Dr. John Allan Wyeth, who founded the New York Polyclinic Hospital in 1882. (which became Cabrini Medical Center) His grandfather J. Marion Sims founded the first Women's Hospital in the U.S. in 1855 (it is now part of St. Lukes-Roosevelt Hospital.

Wyeth attended Princeton University and studied at the École nationale supérieure des Beaux-Arts in Paris, where he was awarded the Prix Jean LeClerc in 1913 and the Deuxième Prix Rougevin in 1914.

Wyeth worked at Carrère & Hastings. He moved to Palm Beach, Florida in 1919 where he founded the firm of Wyeth and King with his business partner Frederic Rhinelander King. He was the first Palm Beach architect to be elected a fellow of the American Institute of Architects.

Wyeth would design numerous mansions in Palm Beach during its gilded age.