Johannes: Did you mean...?

Johannes Gutenberg (l. c. 1398-1468) was the inventor of the printing press (c. 1450) who seems to have developed the device from wine and oil presses of the time. Gutenberg’s printing press not only revolutionized book making but literally...

Johannes Kepler (1571-1630) was a German astronomer and mathematician most famous for creating what was up to that point the most accurate model of planetary astronomy with his three laws of planetary motion. Kepler was the first to present...

Johannes Brahms (1833-1897) was a German composer of Romantic music best known for his symphonies, songs, and orchestral, chamber, and piano music. A great student of the history of music, Brahms was convinced that only by working within...

Johannes Hevelius (1611-1687) was a Polish astronomer based in Danzig (Gdańsk). He worked from his own privately funded observatory, creating maps of the Moon's surface, discovering the first variable star, and spotting several new comets...

Image of Johannes Gutenberg (l.c. 1398-1468), inventor of the printing press.

A portrait of Johannes Kepler (1571-1630) the astronomer who created the then most accurate model of planetary astronomy and the laws of planetary motion. (Kepler Museum, Weil der Stadt, Germany)

A c. 1855 photograph of the German composer Johannes Brahms (1833-97).

A 19th-century engraving of the astronomer Johannes Kepler (1571-1630) by Frederick Mackenzie. (Smithsonian Libraries)

A 1677 portrait by Daniel Schultz of Johannes Hevelius (1611-1687), the Polish astronomer. (Library of Polish Academy of Sciences, Gdańsk)

A video on the moveable type printing press, an invention credited to Johannes Gutenberg in the 1540s CE in Mainz, Germany.