Nettie Stevens independently made the same discovery the same year.
Cat Stevens | Wallace Stevens | John Paul Stevens | Sufjan Stevens | Ray Stevens | Stevens Institute of Technology | Shakin' Stevens | George Stevens | Even Stevens | Andrew Stevens | Risë Stevens | Brinke Stevens | Stevens Point | Chase Stevens | Stevens | John Stevens | Connie Stevens | Thaddeus Stevens | Ted Stevens | Stevens County, Washington | Mark Stevens (actor) | Mark Stevens | Stevens T. Mason | Shadoe Stevens | Michael Fenton Stevens | John Stevens Henslow | John Stevens (drummer) | John L. Stevens | John Cox Stevens | J. Christopher Stevens |