Parallel stories: 18th century Harrison builds the marine chronometer for safe navigation at sea; 20th century Gould is obsessed with restoring it.
John Harrison
Rupert Gould
William Harrison (Adult)
John Campbell
Lord Sandwich
Elizabeth Harrison
Sir Edmund Halley
Muriel Gould
Lord Morton
Nevil Maskelyne
1983
1999
1996
1949
1990
2014
1978
1947
1994
1948
1927
2000
1953
1954
1995
1965
2006
2018
1972
2008
2023
2019
1997
2021
2020
1985
2015
2017
2010
