The birth year was listed as 1956. Philadelphia is a city Gilgelfond has lived in. People possibly related to Gilgelfond are Peter A Gelfond, Irit Gelfond, Micaela R Gil and 6 other people. Gilgelfond turned 69 years old. 7 Baydon Way, Medford, Nj 08055 is where Gilgelfond lives. Phone number listed for Gilgelfond is (609) 654-0516.