Hemmendinger's work in color standardization and measurement established him as one of the world's preeminent experts in color science. After graduating from Harvard and Princeton, Hemmendinger joined the U.S. Navy and worked in submarine warfare research.
Hemmendinger's expertise in color standardization and measurement made him a renowned expert in color science. Following his graduation from Harvard and Princeton, he served in the U.S. Navy and conducted research on submarine warfare.