Max G. Johl
Col. Max G. Johl of Connecticut, was an American philatelist who specialized in the collecting of, and writing philatelic literature on, United States postage stamps.
Collecting interests
Johl’s stamp collecting interests consisted of 20th Century postage stamps of the United States. Along with Beverly Sedgwick King, he co-authored “United States Postage Stamps of the Twentieth Century”.Co-author Beverly King died in 1935, and Johl continued the work on “United States Postage Stamps of the Twentieth Century” and completed volume 3 in 1935 and volume 4 in 1938. He revised and enlarged volume 1 in 1937.
In 1947 he published his work “The United States Commemorative Stamps of the Twentieth Century, 1902-1947” in two volumes.