Holst appears in this clip from from the trailer for “Hans Hofmann , Artist/Teacher, Teacher/Artist,” trailer, second frameAnd is shown here in Hofmann’s class at left in the first frame and at right in the third
William H. Holst ca. 1940, Proctor Academy Holst taught including at Proctor Academy; Colby Sawyer College; The Haystack Mountain School; The University of Florida, School; The Art Institute of Boston, The Institute of Contemporary Arts, Boston, and privately for a half century. Photo from Proctor Academy’s “Green Lantern,” 1941, courtesy of issuu.com