Alexander Brook was an American artist and critic.

He was born in Brooklyn, New York. At the age of twelve he was bed-ridden with polio. It was during this time that he received his first lessons in painting. In 1914 he entered the Art Students League, where he studied for four years. There he met the painter Peggy Bacon

Peggy Bacon

Margaret Frances "Peggy" Bacon was an American printmaker, illustrator, painter and writer.-Biography:Bacon was born May 2, 1895 in Ridgefield, Connecticut to artists Charles Roswell Bacon and Elizabeth . The eldest of three children, Bacon's two younger brothers died in infancy leaving her an...

, whom he married in 1920. During his twenties, Brooks painted still lifes and posed figures with vigor and sensuality. He later began to emulate the style of Jules Pascin. From 1924-27 he was
the assistant director of Whitney Studio Club. His realist painting was exhibited widely and he won multiple awards. Georgia Jungle won the Carnegie International. Unfortunately for Alexander, the realist style fell out of favor late in the 1940s.

About 1940, he was divorced from Peggy Bacon. About the same time, he began living in Sag Harbor on eastern Long Island

Long Island

Long Island is an island located in the southeast part of the U.S. state of New York, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are boroughs of New York City , and two of which are mainly suburban...

. In 1945 he married the painter Virginia Schnaufer. He retired from painting around 1965.