American astrophysicist, cosmologist and author

Carl Sagan

#106,779,073,155

Born November 9, 1934 · of 117,704,268,587 humans ever born

2,164,806,849people were alive the day they were born

#60,890,223baby born in 1934

90.7%of all humans ever born came before them

10,925,195,432humans have been born since

Also born on November 9