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John M. Grunsfeld

1958 - Today

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John Mace Grunsfeld (born 10 October 1958) is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. Read more on Wikipedia

Since 2007, the English Wikipedia page of John M. Grunsfeld has received more than 122,903 page views. His biography is available in 25 different languages on Wikipedia (up from 24 in 2019). John M. Grunsfeld is the 417th most popular astronaut (down from 405th in 2019), the 13,780th most popular biography from United States (down from 12,304th in 2019) and the 212th most popular American Astronaut.

Memorability Metrics

  • 120k

    Page Views (PV)

  • 34.58

    Historical Popularity Index (HPI)

  • 25

    Languages Editions (L)

  • 3.04

    Effective Languages (L*)

  • 3.70

    Coefficient of Variation (CV)

Page views of John M. Grunsfelds by language


Among astronauts, John M. Grunsfeld ranks 417 out of 524Before him are Richard Mastracchio, Wendy B. Lawrence, Andrew M. Allen, Kathleen Rubins, Kjell N. Lindgren, and Michael Fincke. After him are Brian Duffy, Philippe Perrin, Jerome Apt, Alan G. Poindexter, Christopher Cassidy, and José M. Hernández.

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Among people born in 1958, John M. Grunsfeld ranks 604Before him are Josh Pais, Rupert Vansittart, Ian Woosnam, Luan Jujie, Douglas McGrath, and Barry Adamson. After him are Tanya Tucker, Greg Foster, Marc William Buie, Béla Fleck, Phil Scott, and Maggie Hassan.

Others Born in 1958

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In United States

Among people born in United States, John M. Grunsfeld ranks 13,780 out of 18,182Before him are Steven Strogatz (1959), Sean Waltman (1972), Sean M. Carroll (1966), Ahna O'Reilly (1984), Perez Hilton (1978), and Wendy Williams (1964). After him are Elizabeth Kostova (1964), Glen Morgan (1947), Lil Dicky (1988), Zabryna Guevara (1972), Jason Terry (1977), and Derrick Coleman (1967).

Among ASTRONAUTS In United States

Among astronauts born in United States, John M. Grunsfeld ranks 212Before him are Scott J. Horowitz (1957), Richard Mastracchio (1960), Wendy B. Lawrence (1959), Andrew M. Allen (1955), Kathleen Rubins (1978), and Michael Fincke (1967). After him are Brian Duffy (1953), Jerome Apt (1949), Alan G. Poindexter (1961), Christopher Cassidy (1970), José M. Hernández (1962), and Eric Boe (1964).

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