better known by what name

[amandy]

what famous person was born with the name Nguyen That-Tanh?

[Buster Brown]

 Ho Chi Minh.

[shaneystar]

Ho Chi Minh.
http://en.wikipedia.org/wiki/Ho_Chi_Minh

[Peter Pedant]

The name is Viet - and the only Viet who sort of had another name is Ho chi Minh

Nguyen is noon, and tanh is tang by the way.

[miss_chase]

peter pedant do you mean pronunciation-wise? because nguyen is closer to ng- uu-un (the NG sound that only exists in english at the ends of words eg sing and playing). only mentioning this because you are the pedant!!!!!