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Solar & Alternative Energy

Alvin M. Marks, inventor with 122 patents, dies at 97

Alvin M. Marks, a prolific inventor who held patents on polarized film for sunglasses, a 3-D moviemaking process, a generator the size of a grapefruit that could produce enough electricity for a house, a windmill with no moving parts and a trillion-dollar "space train," died May 25 in Gardner, Massachusetts. He was 97.

For much of the latter half of his career, Marks focused on developing alternative and low-cost energy sources. An early experimenter with solar energy, he served as an adviser to President John F. Kennedy, and in 1967 was a consultant to the United States Senate on new technologies.

Full story from the New York Times.