Women scientists maybe you thought were men

Maud Menten (Michaelis–Menten equation)
Yvonne Barr (Epstein-Barr virus)
Marilyn Kozak (Kozak consensus sequence)
Tsuneko Okazaki (Okazaki fragments - with her husband Reiji)
Helen Quinn (Peccei–Quinn theory)

Women scientists maybe you thought were men

Martha Chase (Hershey–Chase experiments) h/t @flodebarre
Gerti Cori (Cori Cycle - with her husband Carl Ferdinand Cori)
Virginia Apgar (Apgar Score) h/t @KathrynSBowers

Phyllis Nicolson (Crank–Nicolson method) via @k_houston_math
Hilde Mangold (Spemann-Mangold organizer) via @MarthaBagnall & @roxy_spi
Laura P. Bautz (Bautz–Morgan classification ) via @CosmosRedshift7
Katharine B. Blodgett (Langmuir–Blodgett (LB) film) via @BrianDerby1