Simplify the following text for a Grade 10 native English-speaking person.
Original: Karl Goldmark , also known originally as KÃ roly Goldmark and later sometimes as Carl Goldmark ; May 18 , 1830 , Keszthely -- January 2 , 1915 , Vienna ) was a Hungarian composer .
Simplified: Karl Goldmark ( born Keszthely , Hungary , 18 May 1830 ; died Vienna 2 January 1915 ) was a Hungarian composer .