Friedrich Trendelenburg 1844-1924
Friedrich Trendelenburg is immediately known because of the 45o head down (and reverse Trendelenburg 45o head up) position used in surgery for varicose vein surgery.
Varicose vein surgery is commonly referred to as Trendelenburg procedure. This Berliner was born in 1844 the son of a professor of philosophy.
At the age of seventeen Friedrich went to Glasgow and was influenced greatly by Englishman Joseph Lister and decided to train as a surgeon. He completed his training in Germany at Berlin and became first assistant to Bernhard von Langenbeck.
He is credited as the first person to perform endotracheal anaesthesia; prior to this all gases were delivered via mask.