TERRA BELLA, California — The man who could be called the father of the local timber industry has died. Glen Duysen, the founder of Terra Bella’s Sierra Forest Products, died on Friday. He was 96. Duysen founded Sierra Forest Products with John Hamacher in 1966. …Sierra Forest Products began as a sawmill on 80 acres. The sawmill cut its first log in February, 1968. Sierra Forest Products bought timber from Sequoia National Forest and the Sierra National Forest. …At its height Sierra Forest Products had 250 employees before Clinton’s proclamation to set aside 360,000 acres in the Giant Sequoia National Monument. …He served as a past president of the Western Timber Association, Timber Association of California, Pacific logging Congress and Sierra-Cascade Logging Conference. He was also a 65-year member of the Society of American Foresters, who named him Forester of the Year in 1960.