James was born May 11, 1938, to Clifton and Lora Ewing, and grew up in Westhampton.
He was a retired electrical engineer and avid boat enthusiast. James was a graduate of Williston Academy class of 1955 and of Amherst College class of 1959.
He is survived by dear friend and partner Mathilde Wood; his children and their spouses Eleanor Gittelman and husband Arye of Seattle, Wash., Lora Ewing of New York City, N.Y., Ruth Ewing and wife Jennifer Collins of Maynard, David Ewing and wife Teresa of Longmont, Colo, and Jeannette Levitt of Chicago, Ill.; his siblings Margaret Stern, Peter Ewing and Heidi Kapsokavathis; grandchildren Rachel, Juli, Aaron, Scott, Tim, Emily, Amanda, Lily, Nick and Sophie; and several nieces and nephews.
James was predeceased by grandson Andrew Levitt.