Gordon Sauer was responsible for starting dermatology residency programs at the Kansas University School of Medicine in Lawrence, Kan, and the University of Missouri Medical School in Columbia, Mo. He also was an instructor in dermatology at the University of Missouri Kansas City Medical School. He was a tireless teacher of residents in medicine, pediatrics, and dermatology along with medical students. Residents and medical students received didactic lectures and spent time rotating with him in his office. He was an author for more than 50 years of one of the most widely read dermatology textbooks by medical students worldwide. He authored numerous articles and Sauer Notes in the Schock letter for half a century. He was known throughout the field of science as the world’s foremost authority and biographer of John Gould, known as the Audubon of Australia. Loved by his family and revered by his fellow scientists, he was a standard bearer of dermatology in the latter part of the 20th century.