Light is a messenger: the life and science of William Lawrence Bragg

A shy and reserved person: Adelaide, 1886-1908

Concatenation of fortunate circumstances: Cambridge, 1909-14

Our show is going famously: World War One

A system of simple and elegant architecture: Manchester, 1919-30

Plus-plus chemistry: Manchester, 1931-7

Supreme position in British physics: The National Physical Laboratory and Cambridge, 1937-9

He will have to be Sir Lawrence: World War Two

A message in code which we cannot yet decipher: Cambridge, 1945-53

The art of popular lecturing on scientific subjects: The Royal Institution, 1954-66

A very difficult affair indeed: retirement, 1966-71.