Henry Gregor Felsen (August 16, 1916 – March 2, 1995) was an American writer, particularly of middle grade (MG) and teen (YA) books.
[1] He taught part-time at Drake University (1964–1969), and in 1977 left Iowa to spend his remaining years travelling.
His second wife Karen Kangas survived him, as did a son (Dan) and daughter (Holly) from his first marriage, and two stepchildren.
After struggling financially during the Great Depression, Felsen sold nine books and hundreds of stories in his first eighteen months of full-time freelance writing in the early 1940s.
He is also credited with one screenplay, for the 1968 film Fever Heat, based on his novel of the same name which had been published under the pen name of Angus Vicker.