Katherine Johnson appears in Series 4, released under Cardsmiths Currency, a premium collector line tracing the history of money from ancient coinage to cryptocurrency. It is numbered 34 out of 99. 21 variants of this card exist, the scarcest being Onyx, numbered to 1. Artwork comes from Melanie Templin.
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Katharine Johnson was an American mathematician who made significant contributions to the United States' aeronautics and space programs with her work at NASA. She played a crucial role in calculating the trajectories for the Mercury and Apollo missions. Johnson's work broke barriers .for African American women in science and mathematics, earning her the Presidential Medal of Freedom in 2015.
