SHOW NOTES:   FORENSIC SCIENCE TIMELINE    Prehistory: Early cave artists and pot makers “sign” their works with a paint or impressed finger or thumbprint.  1000 b.c.: Chinese use fingerprints to “sign” legal documents.  3rd century BC.: Erasistratus (c. 304–250 b.c.) and Herophilus (c. 335–280 b.c.) perform the first autopsies in Alexandria.  2nd century AD.: Galen (131–200 a.d.), physician to Roman gladiators, dissects both animal and humans to search for the causes of disease.  c. 1000: Roman attorney Quintilian shows that a bloody handprint was intended to frame a blind man for his mother’s murder.  1194: King Richard Plantagenet (1157–1199) officially creates the position of coroner.  1200s: First forensic autopsies are done at the University of Bologna.  1247: Sung Tz’u publishes Hsi Yuan Lu (The Washing Away of Wrongs), the first forensic text.  c. 1348–1350: Pope Clement VI(1291–1352) orders autopsies on victims of the Black Death to hopefully find a cause for the plague.  Late 1400s: Medical schools are established in Padua and Bologna.  1500s: Ambroise Paré (1510–1590) writes extensively on the anatomy of war and homicidal wounds.  1642: University of Leipzig offers the first courses in forensic medicine.  1683: Antony van Leeuwenhoek (1632–1723) employs a microscope to first see living bacteria, which he calls animalcules.  Late 1600s: Giovanni Morgagni (1682–1771) first correlates autopsy findings to various diseases.  1685: Marcello Malpighi first recognizes fingerprint patterns and uses the terms loops and whorls.  1775: Paul Revere recognizes dentures he had made for his friend Dr. Joseph Warren and thus identifies the doctor’s body in a mass grave at Bunker Hill.  1775: Carl Wilhelm Scheele (1742–1786) develops the first test for arsenic.  1784: In what is perhaps the first ballistic comparison, John Toms is convicted of murder based on the match of paper wadding removed from the victim’s wound with paper found in Tom’s pocket.  1787: Johann Metzger develops a method for isolating arsenic.  c. 1800: Franz Joseph Gall (1758–1828) develops the field of phrenology.  1806: Valentine Rose recovers arsenic from a human body.  1813: Mathieu Joseph Bonaventure Orfila (1787–1853) publishes Traité des poisons (Treatise on Poison), the first toxicology textbook.   1821: Sevillas isolates arsenic from human stomach contents and urine, giving birth to the field of forensic toxicology.  1823: Johannes Purkinje (1787–1869) devises the first crude fingerprint classification system.  1835: Henry Goddard (1866–1957) matches two bullets to show they came from the same bullet mould.  1836: Alfred Swaine Taylor (1806–1880) develops first test for arsenic in human tissue.  1836: James Marsh (1794–1846) develops a sensitive test for arsenic (Marsh test).  1853: Ludwig Teichmann (1823–1895) develops the hematin test to test blood for the presence of the characteristic rhomboid crystals.  1858: In Bengal, India, Sir William Herschel (1833–1917) requires natives sign contracts with a hand imprint and shows that fingerprints did not change over a fifty-year period.  1862: Izaak van Deen (1804–1869) develops the guaiac test for blood.  1863: Christian Friedrich Schönbein (1799–1868) develops the hydrogen peroxide test for blood.  1868: Friedrich Miescher (1844–1895) discovers DNA.  1875: Wilhelm Konrad Röntgen (1845–1923) discovers X-rays.  1876:...