Alvin and Fanny Blaustein Thalheimer were dedicated civic and charitable leaders.
Prior to joining the Lord Baltimore Group, Alvin Thalheimer earned a degree in philosophy, wrote a book entitled "Existential Metaphysics," and taught at Johns Hopkins University. In addition to his business interests, Alvin Thalheimer was appointed by the governor to serve on the State Board of Public Welfare and a commission to study state government in Annapolis. He was a trustee and President of the Associated: Jewish Community Federation of Baltimore and a trustee of the Baltimore Hebrew College. Alvin Thalheimer died in 1965.

Fanny Blaustein Thalheimer attended Barnard College and studied architecture and interior design at Columbia University. After her marriage, she continued her art studies at the Maryland Institute and exhibited her paintings in several shows. She was a trustee of the Baltimore Museum of Art, the Peabody Institute, Union Memorial Hospital, and the Associated: Jewish Community Federation of Baltimore. She also served for thirteen years on the Maryland State Board of Education. Fanny Blaustein Thalheimer died in 1957.