Ho Yinsen

Ho Yinsen is a fictional supporting character of the Marvel Comics superhero Iron Man (Tony Stark), who is key to Iron Man's origin story and was a mentor to him. Actor Shaun Toub portrayed Yinsen's character in the 2008 superhero film, Iron Man. Ho Yinsen was a pacifistic, physicist, engineer, and professor from the fictional city (or state) of Timbetpal; while Tony Stark was in college, Stark had greatly admired the older man's work. In his old age, Yinsen was captured in Vietnam by the Communist warlord Wong-Chu before American arms manufacturer and engineer Tony Stark was also captured. Stark had tripped a land mine and been injured with shrapnel that was slowly moving toward his heart. Yinsen builds a magnetic chest plate and...