What time of period did katherine johnson live

101 years (August 26, 1918)

Explanation:

How old am I if I was born in 1918? - 1918 age to find out how old is someone born in 1918 in years, months, weeks, days, hours, minutes and seconds. If your date of birth is on or before November 27, then you are 101 years old. If your date of birth is after November 27, then you are 100 years old.