Born on November 4
3 figures in our catalog were born on November 4, from the earliest to the most recent.
Janaki Ammal
1897 — 1984
Janaki Ammal was an Indian botanist and cytogeneticist, a pioneer in the study of the chromosomes of cultivated plants. She is especially known for her work on improving sugarcane and for helping to preserve India's native flora.
Ruth Handler
1916 — 2002
American businesswoman, co-founder of the toy company Mattel. In 1959 she designed the Barbie doll, which became one of the best-selling toys in the world.
Patricia Bath
1942 — 2019
An American ophthalmologist and inventor, Patricia Bath revolutionized cataract treatment by developing the Laserphaco Probe, a laser device patented in 1988. The first African American woman to receive a medical patent in the United States, she also co-founded the American Institute for the Prevention of Blindness.
Only figures whose birth day is known for certain appear here. Dates are given as the sources record them.