Caption: Henrietta Swan Leavitt (1868--1921). She has astronomer eyes.
Henrietta Swan Leavitt discovered the period-luminosity relation of Cepheids in 1908 at Harvard College Observatory while working as "computer".
Credit/Permission: Anonymous photographer,
before or circa 1921
(uploaded Wikipedia
by User:Jjvaca,
2006) /
Public domain.
Image link: Wikipedia:
File:Leavitt aavso.jpg.
Local file: local link: henrietta_swan_leavitt.html.html.
File: Astronomer file:
henrietta_swan_leavitt.html.html.