ASTRONAUT
Dafydd Williams
1954 - Today

Dafydd Williams
Dafydd "David" Rhys Williams (born May 16, 1954) is a Canadian physician, public speaker, author and retired CSA astronaut. Williams was a mission specialist on two Space Shuttle missions. His first spaceflight, STS-90 in 1998, was a 16-day mission aboard Space Shuttle Columbia dedicated to neuroscience research. His second flight, STS-118 in August 2007, was flown by Space Shuttle Endeavour to the International Space Station. Read more on Wikipedia
His biography is available in different languages on Wikipedia. Dafydd Williams is the 450th most popular astronaut (up from 473rd in 2019), the 917th most popular biography from Canada (up from 961st in 2019) and the 5th most popular Canadian Astronaut.
Memorability Metrics
Page views of Dafydd Williams by language
Among ASTRONAUTS
Among astronauts, Dafydd Williams ranks 450 out of 556. Before him are Richard Mastracchio, Charles O. Hobaugh, Daniel M. Tani, Steven Hawley, Andrei Borisenko, and Daniel C. Burbank. After him are Matthias Maurer, Andrew J. Feustel, Oleg Novitsky, Kjell N. Lindgren, Mark C. Lee, and Donald R. McMonagle.
Most Popular Astronauts in Wikipedia
Go to all RankingsRichard Mastracchio
1960 - Present
HPI: 46.62
Rank: 444
Charles O. Hobaugh
1961 - Present
HPI: 46.60
Rank: 445
Daniel M. Tani
1961 - Present
HPI: 46.56
Rank: 446
Steven Hawley
1951 - Present
HPI: 46.54
Rank: 447
Andrei Borisenko
1964 - Present
HPI: 46.46
Rank: 448
Daniel C. Burbank
1961 - Present
HPI: 46.38
Rank: 449
Dafydd Williams
1954 - Present
HPI: 46.34
Rank: 450
Matthias Maurer
1970 - Present
HPI: 46.32
Rank: 451
Andrew J. Feustel
1965 - Present
HPI: 46.30
Rank: 452
Oleg Novitsky
1971 - Present
HPI: 46.28
Rank: 453
Kjell N. Lindgren
1973 - Present
HPI: 46.20
Rank: 454
Mark C. Lee
1952 - Present
HPI: 46.14
Rank: 455
Donald R. McMonagle
1952 - Present
HPI: 46.01
Rank: 456
Contemporaries
Among people born in 1954, Dafydd Williams ranks 709. Before him are Silvia Chivás, Jerry Moran, Ken Olin, Alvan Adams, Gale Norton, and Abida Parveen. After him are Mark Linn-Baker, Moon Moon Sen, Mitch Kupchak, Greg Ginn, Phil Bryant, and Mudashiru Lawal.
Others Born in 1954
Go to all RankingsSilvia Chivás
ATHLETE
1954 - Present
HPI: 46.49
Rank: 703
Jerry Moran
POLITICIAN
1954 - Present
HPI: 46.48
Rank: 704
Ken Olin
ACTOR
1954 - Present
HPI: 46.46
Rank: 705
Alvan Adams
BASKETBALL PLAYER
1954 - Present
HPI: 46.45
Rank: 706
Gale Norton
POLITICIAN
1954 - Present
HPI: 46.44
Rank: 707
Abida Parveen
SINGER
1954 - Present
HPI: 46.36
Rank: 708
Dafydd Williams
ASTRONAUT
1954 - Present
HPI: 46.34
Rank: 709
Mark Linn-Baker
ACTOR
1954 - Present
HPI: 45.89
Rank: 710
Moon Moon Sen
ACTOR
1954 - Present
HPI: 45.88
Rank: 711
Mitch Kupchak
BASKETBALL PLAYER
1954 - Present
HPI: 45.87
Rank: 712
Greg Ginn
MUSICIAN
1954 - Present
HPI: 45.84
Rank: 713
Phil Bryant
POLITICIAN
1954 - Present
HPI: 45.73
Rank: 714
Mudashiru Lawal
SOCCER PLAYER
1954 - 1991
HPI: 45.54
Rank: 715
In Canada
Among people born in Canada, Dafydd Williams ranks 918 out of 1,622. Before him are Emily St. John Mandel (1979), Rachel Blanchard (1976), Aaron Brown (1992), Luke Macfarlane (1980), Mélanie Joly (1979), and John Kapelos (1956). After him are Will Sasso (1975), Gina Holden (1975), Mavis Gallant (1922), Shroud (1994), François-Philippe Champagne (1970), and Luguentz Dort (1999).
Others born in Canada
Go to all RankingsEmily St. John Mandel
WRITER
1979 - Present
HPI: 46.41
Rank: 912
Rachel Blanchard
ACTOR
1976 - Present
HPI: 46.39
Rank: 913
Aaron Brown
ATHLETE
1992 - Present
HPI: 46.39
Rank: 914
Luke Macfarlane
ACTOR
1980 - Present
HPI: 46.35
Rank: 915
Mélanie Joly
POLITICIAN
1979 - Present
HPI: 46.35
Rank: 916
John Kapelos
ACTOR
1956 - Present
HPI: 46.35
Rank: 917
Dafydd Williams
ASTRONAUT
1954 - Present
HPI: 46.34
Rank: 918
Will Sasso
ACTOR
1975 - Present
HPI: 46.33
Rank: 919
Gina Holden
ACTOR
1975 - Present
HPI: 46.30
Rank: 920
Mavis Gallant
WRITER
1922 - 2014
HPI: 46.30
Rank: 921
Shroud
YOUTUBER
1994 - Present
HPI: 46.28
Rank: 922
François-Philippe Champagne
POLITICIAN
1970 - Present
HPI: 46.26
Rank: 923
Luguentz Dort
BASKETBALL PLAYER
1999 - Present
HPI: 46.24
Rank: 924
Among ASTRONAUTS In Canada
Among astronauts born in Canada, Dafydd Williams ranks 5. Before him are Steve MacLean (1954), Roberta Bondar (1945), Chris Hadfield (1959), and Robert Thirsk (1953). After him are Gregory Chamitoff (1962), David Saint-Jacques (1970), and Jeremy Hansen (1976).
Steve MacLean
1954 - Present
HPI: 60.14
Rank: 1
Roberta Bondar
1945 - Present
HPI: 58.17
Rank: 2
Chris Hadfield
1959 - Present
HPI: 51.55
Rank: 3
Robert Thirsk
1953 - Present
HPI: 47.84
Rank: 4
Dafydd Williams
1954 - Present
HPI: 46.34
Rank: 5
Gregory Chamitoff
1962 - Present
HPI: 45.65
Rank: 6
David Saint-Jacques
1970 - Present
HPI: 44.76
Rank: 7
Jeremy Hansen
1976 - Present
HPI: 39.83
Rank: 8