British biochemist Ida Maclean was born #OTD in 1877.
She was the first woman admitted to the London Chemical Society. She conducted significant research on fatty acids and sterols, contributing to the understanding of biochemistry's foundational elements. She came to be regarded as an authority on biochemistry, and her 1943 monograph The Metabolism of Fat was the first published of Methuen's series Monographs on Biochemical Subjects.