Crampton invented the Crampton Test (also known as the Crampton Test for Fatal Shock), which measures the physical condition and resistance of one's pulse and blood pressure.[2] He was executive secretary of Public Schools Athletic League from 1908 to 1920 and was in charge of medical volunteers who examined the Byrd Antarctic Expedition in 1930.[1] Crampton was a column writer for Boys’ Life magazine.[3] He was a major in the United States Medical Reserve and during World War I was a Special Adviser to the Department of the East. He received the Silver Buffalo Award in 1941.[1]