Viola Davis appeared in plays across the Midwestern United States.
Helen Mason is a British endocrinologist who specialises in reproductive endocrinology and is deputy head of Biomedical Sciences at St. Georges -LRB- University of London -RRB- .. endocrinologist. endocrinologist. reproductive endocrinology. Reproductive endocrinology and infertility. University of London. University of London. She graduated from Aston University and Imperial College London , and is now a director of PCOS UK , which provides support for health-care professionals dealing with polycystic ovary syndrome .. Aston University. Aston University. Imperial College London. Imperial College London. polycystic ovary syndrome. polycystic ovary syndrome. She is a fellow of the Royal Society of Biology .. Royal Society of Biology. Royal Society of Biology. Mason also specialized in reproductive functions of patients with eating disorder and has published several papers and contributed to a number of books on the subject .