He was assigned to Base Camp 56, Allerey, France, assisting Colonel Coates, the unit surgeon.
[5] In the 1930s, Pitz joined the monthly magazine American Artist as an associate editor and writer.
In the 1960s, Pitz was commissioned by Houghton, Mifflin and Company to write The Brandywine Tradition, which remained on the best seller list for ten weeks.
A few years later, in 1975, Pitz published a comprehensive book on his favorite illustrator, Howard Pyle.
Henry Clarence Pitz died at his home in Chestnut Hill, Philadelphia, on November 26, 1976, after working on a painting the day before.