Complex sentence: Yehoshua Bar-Hillel (3 June 1915, Vienna--1975, Jerusalem) was an Israeli philosopher, mathematician, and linguist at the Hebrew University of Jerusalem, best known for his pioneering work in machine translation and formal linguistics.
Split into simpler sentences: Yehoshua Bar-Hillel (3 June 1915, Vienna--1975, Jerusalem) was an Israeli philosopher, mathematician, and linguist. He is perhaps best known for his pioneering work in machine translation and formal linguistics.