fyp-science:

NASA Before Powerpoint in 1961

Before the days of Power Point and Prezi, employees at NASA would have to go about conveying their knowledge in a much more laborious way: chalk, board, and likely tears. It wasn’t all in vain, though; 1961 was the year that the first man–a Russian cosmonaut–entered space, and the United States was scrambling to catch up.

via vintag.es,  (Photos by J. R. Eyerman, via LIFE)