Howard Rootenberg joined the family business in 1991 after 15 years of practicing law. His mother Barbara founded  B. & L. Rootenberg Rare Books and Manuscripts in the mid 1960s and she became a member of the ABAA in 1977. Howard became a member of the Association In 2000.
B. & L. Rootenberg Rare Books and Manuscripts operates out of Sherman Oaks, CA and specializes in Early Printed Books, Science, Medicine, Natural History, Darwin & Evolution, Travel, Voyages, Exploration, Americana, Mathematics, and Literature. ABAA Member since 1977. Interviewed by Michael Ginsberg on April 5, 2014 at the New York International Antiquarian Book Fair.