In 1860 – Parisian typesetter and inventor Édouard-Léon Scott de Martinville used his Phonoautogram to record sound onto paper but had no way to play it back.
In 1919 – Presper Eckert was born in Philadelphia. Eckert became famous for his work, with John Mauchly on the ENIAC project.
In 1959 – NASA publicly announced the selection of the United States’ first seven astronauts, who quickly became known as the “Mercury Seven”.
Subscribe to the podcast. Like Tech History? Get Tom Merritt’s Chronology of Tech History at Merritt’s Books site.