[1] Charles Gammon worked as a druggist in Caribou,[2] but his ancestors had lived in Canada for multiple generations.
[3] Roland Gammon resided in Caribou until he entered Colby College about 1933[4] and after graduation continued his studies at Oxford University.
[6] Jean was described as a "women's representative" for Scandinavian Airlines System (SAS) and wrote travel brochures under the name "Sally Ann Simpson.
"[8] In 1954 he co-authored with Henry James Forman the book Truth Is One; The Story of the World's Great Living Religions in Pictures and Text.
[9] In the 1960s and 1970s, Gammon devoted increasing amounts of time to writing, resulting in four more books on religion: All Believers Are Brothers,[10] Faith Is a Star,[11] A God For Modern Man.