Simplify the following text for a Grade 9 native English-speaking person.
Original: Gabriel Narutowicz ( ; TelÅ iai , Russian Empire , 17 March 1865 â `` 16 December 1922 , Warsaw , Poland ) was a Lithuanian-born professor of hydroelectric engineering at Switzerland 's Zurich Polytechnic , and Poland 's Minister of Public Works ( 1920 â `` 21 ) , Minister of Foreign Affairs ( 1922 ) , and the first president of the Second Polish Republic .
Simplified: Gabriel Narutowicz ( born 17 March 1865 â `` 16 December 1922 ) was a Polish politician .