Harold was a biologist tinkering in biotech. After retirement from the University of Toledo he started writing about Tai Chi Chuen for various health magazines. He has written several suspense novels: Casual of Peace, Echo of Peace, and Living Drones; all were based on his knowledge of genetic engineering and gene therapy which was weaponized in the works mentioned here. Tibet Express is a work of fiction on cybersecurity and ransomwares with an international angle. Hong Kong Boy is a semi-document-biography.