Linda Hall Library
Science Engineering Technology

David Fabricius

David Fabricius, a German astronomer, was born Mar. 9, 1564. In 1596, he observed a star in the breast of Cetus, the Whale. Some time later, he looked for the star, and it was gone. Later still, the star reappeared. This was the first recorded observation of a...

Hieronymus Bock

Hieronymus Bock, a German physician and botanist, died Feb. 21, 1554, at age 55. Bock was one of the three great German Renaissance botanists who transformed botany from a set of second-hand commentaries on ancient texts to an original field science supported by...

William Huggins

William Huggins, an English amateur astronomer, was born Feb. 7, 1824. He built his own private observatory, called Tulse Hill, in London in 1856 (second image), and when spectroscopy was established as a scientific field of inquiry in 1859, Huggins jumped at the...

Edward Frankland

Sir Edward Frankland, an English chemist, was born Jan. 18, 1825. In 1852, Frankland read a paper to the Royal Society of London, in which he proposed the concept of valence (or valency, as the British call it). Frankland pointed out that every element tends to...

James Ussher

Archbishop James Ussher, an Irish cleric, was born Jan. 4, 1581. Ussher was quite a respectable scholar, but he is remembered today primarily for the first paragraph of his Annales Veteris Testamenti (Annals of the Old Testament, 1650) and its marginal note. The...