Simplify the following text for a Grade 10 native English-speaking person.
Original: Andrzej `` Andrew '' Viktor Schally ( born November 30 , 1926 ) is a Polish-born American endocrinologist and Nobel Prize laureate ( 1977 ) in medicine , sharing the prize that year with Roger Guillemin and Rosalyn Sussman Yalow .
Simplified: Andrzej Wiktor Schally , also known as Andrew W. Schally , born November 30 , 1926 in Wilno , Poland ( now Vilnius , Lithuania ) . He is an endocrinologist and in 1977 won the Nobel Prize in Physiology or Medicine .