Morton Katz Blaustein, the son of Jacob and Hilda Blaustein, was a prominent Baltimore businessman and community leader. He studied geology at the Johns Hopkins University and completed a Ph.D. in petroleum geology at Stanford University. He joined the family business in 1953 and was President and Chairman of the Board of American Trading and Production Corporation from 1970 until his death in 1990.

Morton was a trustee of the Johns Hopkins University, the Park School of Baltimore, the Baltimore City Life Museums, and the Associated: Jewish Community Federation of Baltimore. He was a member of the advisory committee of the department of Earth Sciences at the Stanford University and a director of the Union Trust Company of Maryland and its successor Signet Bank. He was also a Vice President of the American Jewish Committee.

Mary Jane Blaustein is an Emeritus Assistant Professor of Psychiatry at the Johns Hopkins University School of Medicine, where she worked for 29 years. She studied nursing at the Union Memorial Hospital School of Nursing and the Johns Hopkins University, where she also received advanced training as a psychiatric nurse practitioner. She was one of the original founders and a board member of the Baltimore Rape Crisis Center and the Alzheimer's Disease Association of Maryland. She has been a trustee of the Baltimore Zoo, the Union Memorial Hospital and the Boys Latin School of Maryland. She was a member of the Maryland Governor's Task Force on Dementia and a member of the medical advisory board of the Wellness Community.