Pete Eckert was trained in sculpture and industrial design. He had always been a visual person and planned to study architecture at Yale, but then he started to lose his sight because of a condition called retinitis pigmentosa. Amazingly enough, he embraced photography even more after becoming blind, shooting ethereal double exposures and vivid light paintings with his Mamiyaflex TLR. He visualizes the image he wants to create in his mind and uses his senses of sound, touch, and memory to make a photograph. "I am a visual person. I just can't see," he says. (Source)