Timothy Hart

Timothy Paul Hart of Cambridge, formerly of Lexington, died peacefully in his sleep on January 20, 2014 at the age of 74, surrounded by members of his family. A man of insatiable curiosity and unbelievable energy, a graduate of MIT, Tim was one of the creators of the Lisp computer language and co-founded Evans, Griffiths, & Hart, Inc., of Lexington. He maintained a second home in southwestern Utah where he could hike and pilot his plane around the scenery he considered the most spectacular in the world. He was predeceased by his first wife, Penelope Davis Hart, and leaves his second wife, Deborah Belle of Cambridge, his daughter Melissa and her husband Judd Bortner of Brooklyn, NY; his son Christopher and his wife Kiri of San Rafael, CA; and his son Nicholas and his wife Ann Bobo of Lexington, and stepsons Daniel Piper of Hartford, CT and Joshua Piper of Watertown.. He was a loving grandpa to Jacob, Isaac, Sydney, Claudia, and David. He is also survived by his sisters , Jennifer LaVail and Emily Dowling; nephews Logan LaVail and Benjamin Dowling, and niece Katharine Hart LaVail. Donations in his memory may be made to the Grand Canyon Trust, www.grandcanyontrust.org.