She developed improved methods for large-scale production of antitoxin sera during World War I. Annie Homer was born at West Bromwich, UK, on 3 December 1882.
After attending King Edward VI High School for Girls in Birmingham, Homer went in 1905 to Newnham College of the University of Cambridge to study chemistry.
[5][6] The latter was a spectroscopist and assistant to George Downing Liveing at University of Cambridge but developed an interest in public health, becoming Lecturer in Chemistry and Physics in their application to Hygiene and Preventive Medicine in 1908.
Separating unnecessary proteins from the antibodies used to counter infections in medical practice was important to increase both potency of antitoxin doses and to reduced the incidence of serum sickness.
She, and an engineer R. H. Bicknell, were members of a consortium aiming to exploit salts, particularly potash, from the Dead Sea that was financed and headed by W H Tottie who a director in London for the Canadian Merchants and General Trusts.