Samuel Lilienthal was born on December 5, 1815. Dr. Lilienthal (1815 – 1891), a friend of Constantine Hering, was born in Germany and qualified as a doctor at the age of 23. He moved to New York and became the professor of Clinical Medicine at the New York Homeopathic College when he was 54. He was instrumental in encouraging women to become Homeopaths and was a prolific author. He received his doctorate of medicine in 1838 from the University of Munich. In 1889 he came to America and was introduced to homeopathy in 1847 while he was living in Lockport, NY. He became chair of clinical medicine when he joined the faculty at the New York Homoeopathic Medical College in 1869. With Constantine Hering's support Lilienthal became editor of the ‘North American Journal of Homoeopathy' from 1872-1885. His comprehensive work, Homeopathic Therapeutics, was published in 1878. He proved several remedies including Carbolic acid and Physostigma venenosum. Lilienthal moved to San Francisco in 1887 to join his son James, who was teaching at the Homeopathic Medical College of the Pacific. Lilienthal then retired 1 year later.