[3] He received undergraduate and graduate degrees from the University of Wisconsin.
[3] In 1961 he joined the faculty at Purdue University.
[1] He would work there for more than forty years, obtaining the post of Robert B. Kane Distinguished Professor of Educational Psychology and Gifted Education.
He founded the Purdue Gifted Education Resource Institute in 1977 and was its director until 1995.
[2] He married Hazel Artz in 1954 and they had two daughters.