found: The Dada painters and poets, 1951.
found: Robert Motherwell, 1915/1991:p. 94 (b. Jan. 24, 1915, Aberdeen, Washington; artist) p. 99 (d. June 16, 1991, Provincetown)
found: The complete correspondence of Robert Motherwell, 1992:p. xvii (Robert Burns Motherwell III)
found: Wikipedia, Mar. 5, 2012(Robert Motherwell; b. January 24, 1915; d. July 16, 1991; American painter, printmaker and editor. Throughout the 1950s Motherwell taught painting at Hunter College in New York and at Black Mountain College in North Carolina. At this time, he was a prolific writer and lecturer, and in addition to directing the influential Documents of Modern Art Series, he edited The Dada Painters and Poets: An Anthology, published in 1951) - http://en.wikipedia.org/wiki/Robert_Motherwell
found: Union List of Artist Names (ULAN) Online, 2 October 2017(Motherwell, Robert (American painter, printmaker, and author, 1915-1991); was a major figure of the Abstract Expressionist generation; BA in philosophy, Stanford University (1936); began his career as a painter in 1939 in Paris; studied history from 1940-1941 at Columbia University, New York; born: Aberdeen (Grays Harbor County, Washington, United States; died: Cape Cod (Barnstable county, Massachusetts, United States)
found: Dedalus Foundation website, January 19, 2023(Dedalus Foundation; founded by Robert Motherwell, 1991)