Adam Peaty became the first British swimmer to retain an Olympic title after powering his way to victory in his beloved 100 metres breaststroke at the Tokyo Aquatics Centre.
There is a strong argument to be made that this achievement alone puts Peaty in a bracket of his own among his compatriots, without factoring in the stat he is unbeaten in the distance in major competitions over the distance.
Here, the PA news agency looks at some of the other great British swimmers.
Rebecca Adlington
Duncan Goodhew
David Wilkie
Anita Lonsbrough