Gary Flandro

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Gary Flandro is an American Aerospace Engineer who currently holds the Boling Chair of Excellence in Space Propulsion at the Space Institute of the University of Tennessee .

In 1965 he discovered that due to a rare alignment of planets on one side of the sun in the 1970s, that a multi-planet "Grand Tour" opportunity existed to allow a single space craft to explore the four outer planets of the solar system.

The Planetary Grand Tour opportunity was exploited by NASA with the Voyager 1 and Voyager 2 missions.

Dr. Flandro is a 7th generation pupil of Euler, that is he was taught by someone who was taught by someone who was... by Euler.

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Genealogy of Ph.D. Advisors Date of PhD Gary Flandro 1967 Frank E. Marble 1948 Hans Wolfgang Liepmann 1938 Richard Bar 1916 Georg Rost 1892 Friedrich Emil Prym 1863 Ernst Eduard Kummer 1831 Heinrich Ferdinand Scherk 1823 Friedrich Wilhelm Bessel 1810 Carl Friedrich Gauß 1799 Johann Friedrich Pfaff 1786 Abraham Gotthelf Kaestner 1739 Christian August Hausen 1713 Johann Christoph Wichmannshausen 1685 Otto Mencke 1666