The founder of Green Chimneys nonprofit in Brewster has passed away.  Samuel Rollo Ross died at the age of 89.  He co-founded the Brewster-based organization in 1947 with his wife.  Green Chimneys helps young people through residential, educational, clinical and recreational services.  The farm and wildlife center in Brewster is recognized as a worldwide leader in animal-assisted therapy and educational activities for children with special needs.  Ross was a longtime member of Temple Beth Elohim in Brewster.  He died at his son's home in Nevada, where the funeral will take place.  A memorial service will be held in New York at a later date.