High Quality Content by WIKIPEDIA articles! Yigal Arnon (born December 9, 1929 in Tel Aviv) is an Israeli lawyer and founder of Yigal Arnon Co., one of the largest law firms in Israel. Arnon received his LL.M. degree from the Hebrew University of Jerusalem in 1953, and was admitted to the Israel Bar in 1954. On the Israeli Friends of the Hebrew University of Jerusalem web site, he is described as one of the leading jurists in Israel.