Holly Broadbent Jr.

Birdsall Holly Broadbent Jr. (September 27, 1928 in Cleveland, Ohio – July 9, 2009 in East Hampton, New York) was an American orthodontist known for his contributions to the field of orthodontics. He co-developed the Bolton Standards along with his grandfather Birdsall Holly II. The work is based on the Broadbent-Bolton Growth study, which the American Association of Orthodontists Foundation has called "the most complete human craniofacial growth study in the world".

Life Broadbent was born in Cleveland, Ohio. He was son of Ebert B. Broadbent Sr. and great-grandson of Birdsall Holly, a leading inventor in the nineteenth century. He attended St. Andrew's School (Delaware) after which he received his Bachelor's from Princeton University and Dental Degree from the Yale School of Medicine. His other contributions to the understanding of craniofacial growth include contributing factors to sleep apnea, He was the 2005 Distinguished Alumnus of the Year for the Case School of Dental Medicine.

Broadbent died in 2009 at the age of 80 in East Hampton, New York.

Positions held Cleveland's Health Museum, President Cleveland Dental Society, President Great Lakes Society of Orthodontists, President American Association of Orthodontists, Vice-President