Jean-Theodore Descourtilz

Jean-Théodore Descourtilz, a French naturalist and bird illustrator, died Jan. 13, 1855, at the age of about 57. Descourtilz travelled to Brazil in 1826 and began drawing the native birds. By 1834, he had collected enough paintings to publish Oiseaux brillans du...

Joan Baptista van Helmont

Joan Baptista van Helmont, a Flemish physician, was born Jan. 12, 1579. Van Helmont (alternatively referred to as Jan Baptist van Helmont) was a strong proponent for what was called, in his day, iatrochemistry, or medical chemistry. Medicine since the time of Galen in...

Ányos Jedlik

István Jedlik (first image), a physicist and electrical experimenter, was born on Jan. 11, 1800 in Szémo, a Hungarian village which has since become part of Slovakia. After attending secondary school, he entered the Benedictine order at the Pannonhalma Abbey, where he...

Johannes Fabricius

Johannes Fabricius, a Frisian/German astronomer, was born Jan. 8, 1587. Frisia was an ancient region with its own dialect, bordering the North Sea in what is now northeast Netherlands and northwest Germany; Johannes was from East Frisia, now part of Germany. His...

Albert Bierstadt

Albert Bierstadt, a German/American landscape artist, was born Jan. 7, 1830. Arriving in the US as a 1-year-old, he took up painting early, and except for several years of study back in Germany, he spent the rest of his life in this country. Bierstadt became...