Task: Explanation
Input (English): Alexander Henderson (1780 – 1863) was a Scottish physician and author. Born in Aberdeenshire, he was educated at Edinburgh University, where he graduated as a doctor of medicine in 1803. He went to London and was admitted a licentiate of the Royal College of Physicians in 1808. He chiefly devoted himself to letters, though, contributing to such works as "Encyclopædia Britannica" and "Edinburgh Review". He translated Cabanis's "Coup d'œil sur les révolutions et la réforme de la médicine" (1804) as "Sketch of the revolutions of medical science, and views relating to its reform" (1806). He published "The History of Ancient and Modern Wines" in 1824. Question: Alexander Henderson contributed to which compendium, written by about 100 full-time editors and 4,000 contributors at current? Answer: Encyclopædia Britannica
Output (English):  He chiefly devoted himself to letters, though, contributing to such works as Encyclopædia Britannica and Edinburgh Review.