Robert Lawrence: America's First African-American Astronaut via NASA https://t.co/pgbp1VeoSw pic.twitter.com/yM63HPudrP
— martinengwicht (@martinengwicht) February 22, 2018
from Twitter https://twitter.com/martinengwicht
learning by doing
Robert Lawrence: America's First African-American Astronaut via NASA https://t.co/pgbp1VeoSw pic.twitter.com/yM63HPudrP
— martinengwicht (@martinengwicht) February 22, 2018
from Twitter https://twitter.com/martinengwicht