Henry Leffmann

Henry Leffmann (September 9, 1847 – December 25, 1930) was an American chemist, physician and writer.

Biography Leffmann born in Philadelphia. He was the fourth son of Henry Leffmann, a German Jew and Sarah Ann Paul of Doylestown a Quaker of Welsh ancestry.

In 1864 he became a chemical laboratory assistant at Philadelphia High School.

Leffmann was lecturer on Toxicology at Jefferson College (1870-1882), lecturer on botany at Wagner Free Institute of Science (1874-1875) and Professor of Chemistry (1885-1903). He was professor of chemistry at the Woman's Medical College of Pennsylvania (1890-1917) and emeritus until 1923. Leffmann was not religious and joined the Society for Ethical Culture.

Selected publications Memoranda on Poisons (1878) First Step in Chemical Principles (1879) A Compend of Chemistry, Inorganic and Organic (1891) Select Methods in Food Analysis (with William Beam, 1901) The Mental Condition and Career of Jesus of Nazareth Examined in the Light of Modern Knowledge (1904) Analysis of Milk and Milk Products (1905) Outline Autobiography of Henry Leffmann (1905) About Dickens (1908) The States-Rights Fetish: A Plea for Real Nationalism (1913) Examination of Water for Sanitary and Technic Purposes (1915)