she invented penicillin.
Hobby was invented from the birth of people. Even trillions of years ago, people like doing things for pleasure. maybe they did not invent the word "hobby" for them yet but they still had them.
He invented the draisine AKA bone-shaker AKA hobby horse.
Gladys Cromwell has written: 'Poems By Gladys Cromwell'
Gladys Blake's birth name is Gladys Timmons.
Gladys Brockwell's birth name is Lindeman, Gladys.
Gladys Atwater's birth name is Gladys Valerga.
Gladys Field's birth name is Wesley, Gladys.
Gladys Hanson's birth name is Snook, Gladys.
Gladys Johnston's birth name is Gladys Johnson.
Gladys Henson's birth name is Gladys Gunn.
Gladys Gale's birth name is Gladys Lanphere.
Gladys Lehman's birth name is Gladys Collins.