He holds degrees in optics, physics, and science education. Starting an early age, Kinsman has been interested in physics, optics, nature, and photography. He got his first microscope in grade school and has continued to upgrade microscopes throughout his life. He currently maintains a scanning electron microscope in his living room. Kinsman has taught physics, worked for the Naval Research Labs and Cornell University, and repaired bicycles at Yosemite National Park. Specializing in producing photographs to teach science, his work has appeared on television shows and in books and magazines.