Step 1 : Introduction to the question "What U.S. general was known for his sideburns?"
...Despite the fact that this particular facial hair style had been around since at least 100 BC (one of the earliest known depictions is a mosaic of Alexander the Great), sideburns were named after a specific man in the late 19th century. The man was politician, businessman, and Union Army General Ambrose ... What is the origin of the term 'sideburns'?
What is the origin of the term 'sideburns'? An American general of the nineteenth century, by the name of Ambrose E. Burnside, was immediately recognizable from his mutton chop whiskers and moustache, combined with (unusually) a clean-shaven chin.
