Johns Hopkins University people

Christina Hammock Koch is an American engineer and NASA astronaut. On her mission to the International Space Station in 2019–20 she was part of the first all‑female spacewalk and set the record for the longest spaceflight by a woman. On the Artemis II lunar flyby mission in April 2026, which set the record for human distance from Earth, Koch became the first woman to travel beyond low Earth orbit and to travel around the Moon.

American cosmologist (1921–2007)

American entrepreneur, philanthropist, and abolitionist (1795–1873)

Austrian philologist and literary theorist (1887–1960)

American politician

American lawyer, founder of Conservapedia

Argentine academic and writer (1948–2021)

American entomologist and librarian (1835-1913)

American politician (born 1988)

American businessperson (1880-1966)

defense analyst

American suffragist & philanthropist

Assistant to John B. Watson (1898-1935)

American historian

American physician

American astronomer

American physician and researcher

American orientalist (1860-1934)

American university teacher (1892-1968)

American railroad businessman (1861–1942)

American psychiatrist (1910–2001)