Helen Gertrude Leyton (other married names Stewart and Grünbaum, fl.
[1] She worked as a deputy professor of pathology at Leeds University; a pathologist at Elizabeth Garrett Anderson Hospital; and an assistant to the Metropolitan Asylums Board.
[2] After the death of her first husband, medical doctor Robert Stewart, she married fellow pathologist A. S. Grunbaum in 1909.
[3] The pair changed their names from Grünbaum to Leyton in 1915 during the anti-German sentiment of World War I.
[5][6] With her son Geoffrey Bertrand Leyton, she patented an improved circular knitting machine in 1930.