Mr. Chang's age of 83 years is established from their recorded birth on March 31, 1941. The subject is an inhabitant of the dwelling at 8919 Shady Grove Ct, Gaithersburg, MD 20877. This individual has relocated numerous times, accumulating 8 former addresses. The known living history for this individual consists of: 587 Hansen Ave, Idaho Falls, 12320 Rivers Edge Dr, Potomac, MD 20854, and 7014 Phillips Cove Ct, Orlando. The data suggests that F H Chang and Susan L Chang (age 81-year-old) are married. Reports indicate that the subject is associated with ten email addresses. Chang and Charles Wei ping Hwang (in 2015) shared a residential building at 7014 Phillips Cove Ct, Orlando, FL 32819. Several individuals named the aforementioned individual reside in Maryland, District of Columbia. It is our assumption, based on public records, that Connie Chang, Ms. Shih are also living at 8919 Shady Grove Ct