John Logsdon, the doyen of American space studies, takes a more generous view in his new book (" John F. Kennedy and the Race to the Moon ", Palgrave Macmillan).

美国空间研究元老，约翰劳杰斯特则在他的新书中提出了更大胆的观点(约翰·肯尼迪和登月竞赛，帕尔格雷夫·麦克米伦)。

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John Logsdon is a member of NASA's advisory council.

VOA: special.2010.04.28

"This is not your father's Apollo, " says John Logsdon of the Space Policy Institute at George Washington University.

ENGADGET: NASA planning to set up shop on the moon in 2024

President Kennedy's ambitious goal of landing on the moon was achieved in eight years, by a NASA that was free to soar on a budget that rose to 4.4% of the annual federal budget in 1966, according to noted space historian John Logsdon.

CNN: Space is still the new frontier