Mathematical Ancestry of P.J. Fitzsimmons

According to the Mathematics Genealogy Project

• O. Mencke (begotten in 1665) begat (in 1685)
• J. C. Wichmannshausen, who (in 1713) begat
• C. A. Hausen, who (in 1739) begat
• A. G. Kästner who (in 1786) begat
• J. F. Pfaff, who (in 1799) begat
• C. F. Gauss, who (in 1812) begat
• C. L. Gerling, who (in 1823) begat
• J. Plücker; meanwhile,
  
• E. Weigel (begotten in 1650) begat (in 1666)
• G. W. Leibniz, who begat
• Ja. Bernoulli begat (in 1694) his younger brother
• Jo. Bernoulli, who (in 1726) begat
• L. Euler, who (in 1756) begat
• J.-L. Lagrange, who (ca. 1795) begat
• J.-B. J. Fourier and (ca. 1800)
• S. D. Poisson, who (in 1827) jointly begat
• J. P. G. L. Dirichlet who (in 1853), jointly with M. Ohm (begotten (in 1811) of K. C. von Langsdorf (himself begotten in 1781)), begat
• R. O. S. Lipschitz, who, together with
• J. Plücker, begat (in 1868)
• F. C. Klein, who (in 1873) begat
• C. L. F. v. Lindemann, who (in 1885) begat
• D. Hilbert, who (in 1910) begat
• R. Courant, who (in 1926) begat
• W. Feller, who begat (ca. 1953)
• H. P. McKean, who (in 1976) begat
• K. J. Hochberg, who (in 1981) begat
• P. J. F.