Leopold Greenwald (1888–1955), also known as "Yekuthiel Yehuda" Greenwald, was an Orthodox rabbi. Born in Transylvania, he emigrated with his family to the United States in 1924.[1] For nearly thirty years he was the rabbi at Beth Jacob Congregation of Columbus, Ohio. He wrote some forty works, most notably Kol Bo Al Aveilut, a halachic compendium and digest on laws of death and mourning.