Susan Soltau Kilham (1943–2022) was an American aquatic ecologist. She made notable contributions to phycology and to ecological stoichiometry, and much of her research focused on diatoms. Kilham has also been described as a particularly prolific and impactful scientific mentor. She served on the faculty of the University of Michigan from the early 1970s until the early 1990s, and then moved to Drexel University, where she was a professor in the Department of Biodiversity, Earth and Environmental Science, as well as chairing that department and serving on the faculty senate. Kilham received the Phycological Society of America Career Achievement Award, and is the namesake of a professorship at the University of Michigan. Source: Wikipedia (en)