RT @paulcoxon: Happy 99th birthday Katherine Johnson, NASA mathematician who calculated the trajectory of the Apollo 11 mission https://t.c… 0 atbildes

	Miks Latvis (2017-08-26 04:09:40) @twitter	RT @paulcoxon: Happy 99th birthday Katherine Johnson, NASA mathematician who calculated the trajectory of the Apollo 11 mission https://t.c…