Joseph A. Wolak wrote:

When I served at the Pictorial Center, in 1968, I worked with Charles Hemingway in the special effects section.  He was a great teacher and taught me enough about motion picture camera work and my inner self to fill a film text book.  What I learned from Mr. Hemingway served me well after I left the Center for Europe and later to the  221st. in Vietnam.  Mr. Hemingway was a true gentleman and a great teacher.