Claim: this is a photo of NASA before PowerPoint in 1961.
Photo credit: LIFE Picture Collection / Getty Images
Getty Images caption: Six unidentified scientists uses a ladders and a large chalk board to work out equations for satellite orbits at Systems Labs, California, 1957.
Here is another photograph of the six unidentified scientists:
Hidden Figures movie contains several scenes with similar blackboards and ladders. However, I have not found any NASA photographs which would prove that blackboards and ladders were actually used. If you have information about this topic, please leave a comment.