James Mourilyan Tanner, British paediatric endocrinologist (died 2010)

James Mourilyan Tanner was a British paediatric endocrinologist who was best known for his development of the Tanner scale, which measures the stages of sexual development during puberty. He was a professor emeritus of the Institute of Child Health at the University of London.

August 1 is the 213th day of the year in the Gregorian calendar; 152 days remain until the end of the year.