Katherine Johnson
19182020
American mathematician whose critical calculations for NASA enabled the success of early U.S. crewed spaceflights and helped pioneer the use of computers in aerospace
4 ទំព័រវិញ្ញាណក្ខន្ធ បានរកឃើញ
មើលទាំងអស់ក្នុង Lives ជាមួយតម្រងដែលបានអនុវត្ត19181990
American conductor, composer, pianist, and educator whose prolific career earned him international acclaim and numerous awards, shaping classical music for generations
