MAILMAN, Charles J., of Lexington, on Thursday, May 22, 2014. Devoted life partner of Donna (Miller) Karpen. Beloved brother of Sandford Mailman and his partner Donna Burack of New York. Beloved brother in law of Debra and Lynn Tivens of Los Angeles and devoted uncle of Jessica and Steve Schniederman of NYC. Charles owned and operated Chasma Scientific Inc. of Cambridge. Funeral Services at the Wilson Chapel, 234 Herrick Rd., Newton Center, on the campus of Hebrew College, Sunday, May 25, 2014, at 1 pm.