Irving Cohn (February 21, 1898 - 1961) was a British-American songwriter, best known for "Yes, We Have No Bananas", which he co-wrote with Frank Silver in 1923. February 21 is the 52nd day of the year in the Gregorian Calendar. ... 1898 (MDCCCXCVIII) was a common year starting on Saturday (see link for calendar) of the Gregorian calendar (or a common year starting on Monday of the 12-day-slower Julian calendar). ... 1961 (MCMLXI) was a common year starting on Sunday (the link is to a full 1961 calendar). ... 1923 (MCMXXIII) was a common year starting on Monday (link will display the full calendar). ...
Cohn was born in London, but re-located to the United States, where he died. He is sometimes credited as Irving Conn. This article is about the capital of England and the United Kingdom. ...
Cohn graduated from Columbia Law School at the age of 20, and began working for the office of United States Attorney Irving Saypol in Manhattan, a position many have attributed to his politically connected father.
Cohn's cross examination of Ethel's brother produced the testimony (later found to be perjured) that was mostly responsible for the Rosenbergs' conviction and execution.
Cohn, though sometimes thought chosen in part to avoid accusations of an anti-semitic motivation for the investigations, was given free rein in pursuit of investigations.