Who was born first, Mikhail Kravchuk or Israel Gelfand?
Mikhail Kravchuk Mykhailo Pylypovych Kravchuk, also Krawtchouk (Ukrainian: Миха́йло Пили́пович Кравчу́к ) (September 27, 1892 – March 9, 1942), was a Soviet Ukrainian mathematician who, despite his early death, was the author of around 180 articles on mathematics.
Yehudah Katz Yehudah Katz (born May 10, 1951) is an American-born Israeli singer, songwriter, producer, arranger, and activist. He first rose to fame as the lead singer of seminal Jewish rock band Reva L'Sheva. As a solo artist, he has released three albums and performed with prominent Israeli singers like Ehud Banai and Kobi Oz. He is also the founder of the non-profit organization Artists and Musicians for Israel (AMI).