This will be the second of a prestigious series of lectures held in commemoration of the life and work of Edith Rebecca (Becky) Saunders who made major contributions to the understanding of genetics and heredity at the beginning of the 20th century. Saunders entered Newnham College in 1884, continued her postgraduate research as a Bathurst student from 1888 to 1889, and later became the director of the Balfour Biological Laboratory for Women in 1899. She was Director of Studies for Natural Sciences at Newnham between 1918 and 1925 and President of the Genetical Society from 1936-1938.