In a lot of ways, Robert Liston was a pioneer in the field of emergency surgery and amputation. He was one of the first surgeons to use anesthetic, for instance. Surgery in the 1800's was brutal, but Robert set a number of records. Some of them were even good.

Sources:

Dunea, George. Robert Liston - The Fastest Knife in Town. Hektoen International. Spring 2016. https://hekint.org/2019/06/13/robert-liston-the-fastest-knife-in-town/

Jones, Andrew J, Robert R Nesbit, and Steven B Holsten. Time Me, Gentlemen! The Bravado and Bravery of Robert Liston. The American College of Surgeons. 2016. https://www.facs.org/-/media/files/archives/shg-poster/2016/05_liston.ashx?la=en

Saints and Sinners: Robert Liston. The Royal College of Surgeons of England Bulletin. Last accessed on April 21, 2020. https://publishing.rcseng.ac.uk/doi/pdf/10.1308/147363512X13189526439197