Abstract Albert J. Nesbitt was the first child of John J. Nesbitt, the founder of John J. Nesbitt, Inc., which manufactured heating and ventilating units for schools in the early twentieth century. In 1941, Albert became the president of the company after his father's death. The company continued producing heating and cooling elements for schools. During World War II, the company devoted their facilities to produce munitions for the Philadelphia Ordinance District for which they were awarded four...