1. Yehoshua Bar-Hillel was an Israeli philosopher, mathematician, and linguist.

1. Yehoshua Bar-Hillel was an Israeli philosopher, mathematician, and linguist.
Yehoshua Bar-Hillel was a pioneer in the fields of machine translation and formal linguistics.
Yehoshua Bar-Hillel was a major disciple of Rudolf Carnap, whose Logical Syntax of Language much influenced him.
Yehoshua Bar-Hillel began a correspondence with Carnap in the 1940s, which led to a 1950 post-doctorate under Carnap at the University of Chicago, and to his collaborating on Carnap's 1952 An Outline of the Theory of Semantic Information.
Yehoshua Bar-Hillel then took up a position at MIT, where he was the first academic to work full-time in the field of machine translation.
Yehoshua Bar-Hillel organised the first International Conference on Machine Translation in 1952.
Yehoshua Bar-Hillel was a pioneer in the field of information retrieval.
In 1953, Yehoshua Bar-Hillel joined the philosophy department at the Hebrew University, where he taught until his death at age 60.
Yehoshua Bar-Hillel helped found the Hebrew University's department of Philosophy of Science.
From 1966 to 1969 Yehoshua Bar-Hillel presided over the Division for Logic, Methodology and Philosophy of Science of the International Union of History and Philosophy of Science.
Yehoshua Bar-Hillel's other daughter, Mira Bar-Hillel, is a freelance journalist who has worked for the London Evening Standard.