These are people who, as of the January 2, 2014 database dump, are in birth/death categories that imply a negative lifespan. Common causes are flipped birth/death dates, typos, etc.
(See page history for errors found & corrected on earlier runs of the script.)
Swami Shankarananda (Indian monk): 1862 < 1880!- Zygmunt Stojowski: 1946 < 1970!
- Bartholomew Gedney: 1698 < 1699!
- Joseph Smith (dancer): 1032 < 1875!
- Otto Schlüter: 1959 < 1972!
- John Tunney (naturalist): 1029 < 1871!
- George Bisshopp: 1834 < 1971!
- Joan Junceda: 1881 < 1948!
- Frank Bottrill: 1853 < 1871!
- Georges-Robert Lefort: 1854 < 1875!
- John Rushton (priest): 1868 < 1937!
- James A. Barber: 1925 < 1941!
- Edward Page (umpire): 1939 < 1989!
- Empress Fu the Elder: 931 < 956!
- John Reid Walker: 1834 < 1855!
- John Beresford Leathes: 1956 < 1964!
- William Williams (Commissioner of Ellis Island): 1947 < 1962!
- Captain Henry Metcalfe: 1927 < 1947!
- Nicholas Lawson: 1851 < 1970!
- Niels Christian Kierkegaard: 1806 < 1882!
- Dai St. John: 1899 < 1971!
- Düzd-i Dil Kadın Efendi: 1556 < 1825!
- Albert King Hawkes: 1916 < 1949!
- Vladimir Groman: 1932 < 1974!
- Stanisław Potocki (1659-1683): 1683 < 1695!
- Henry Jones of Oxfordshire: 1644 < 1675!
- Harry Baines Lott: 183 < 1781!
- José Trajano Mera: 1919 < 1962!
- Doris Irene Taylor: 1698 < 1901!
Johann Heinrich Bartholomäus Walter: 1802 < 1834!