C.W. Kaman, II links As president of Kaman Music Corporation, the makers of Ovation guitars, C.W. Kaman pioneered innovative designs that changed the way an acoustic guitar could be built. Incorporating man-made materials to round the back and brighten the tone, Ovation guitars were a truly revolutionary step in the development of the instrument. Kaman is also the sole developer of the Hamer line of guitars. Under Kaman's leadership, the company has seen Fortune 500 success, and continues to innovate as it grows. Click on the thumbnail to the right to see C.W. Kaman, II's handprints in cement.