Marie Curie, have won more than once, and there have been several years when no prize is awarded.Three other times, a woman won one of the sciences by herself.
This has happened for men 147 times. This means four times, including this year in chemistry, there have been all-female prizes in one of the three sciences and 316 times, including this year in medicine, there have been all-male prizes in one of the sciences.This is also only the second time a year's science prize went to more than one woman.
In 2009, Elizabeth Blackburn and Carol Greider shared the medical prize for discovery of how chromosomes are protected by telomeres with Jack Szostak.This year, Emmanuelle Charpentier and Jennifer Doudna won the chemistry prize for developing.