his hand. Personal life and demise Joe and Leah Greenstein had ten children. Greenstein succumbed to cancer on October 8, 1977, at age 84. Legacy The story of his life has been told by Ed Spielman in the book The Mighty Atom and the documentary film "The Mighty Atom". He may be the inspiration for the fictional character of Al Pratt, a costumed crime-fighter who went by the alias of The Atom. Joe Greenstein's life and career are also the subject of the 2017 documentary The Mighty Atom. Joe's 93-year-old son Mike Greenstein appeared on America's Got Talent in 2014 and successfully pulled a car with his teeth. References 1893 births 1977 deaths People from Suwałki Congress Poland emigrants to the United States Jews from the Russian Empire American people of Polish-Jewish descent American strength athletes Deaths from cancer in New York (state) Jewish American sportspeople Jewish Polish sportspeople People associated with physical culture Polish strength athletes 20th-century American Jews