Lasdon went into the pharmaceutical business with his younger brothers. He was an officer and director of the Pyridium Corporation and of its successor, the Nepera Chemical Company, a manufacturer of prescription drugs. One of Nepera's units was the Anahist Company, formed to market Anahist, an over-the-counter preparation for colds. In 1956 the Lasdon's Nepera Chemical, including the Anahist unit, was acquired by
Warner-Lambert, which was itself later acquired by
Pfizer. ==Personal life==