Ruben was born in 1900. For most of his life, he served as president of Ruben Laboratories in New Rochelle, New York. His career focused on electrochemistry. He worked extensively with the Duracell company, and is credited with revolutionizing battery technology. He invented the mercury primary cell, the dry electrolyte condenser, the rectifier tube, and flexible wire with ceramic insulation. In addition, he aided in the invention of the cardio-pacemaker, by developing an appropriate battery for the device. He received the Inventor of the Year Award in 1965 from the Research Institute of George Washington University.
From the description of The Samuel Ruben papers 1932-1984. (Chemical Heritage Foundation). WorldCat record id: 49253416