Over the years there have been a number of snooker and billiards players who have done more than most to shape the development of the sport. These pioneers of snooker and billiards may not always be household names today, but their contribution to the history of the sport should be recognised.

We have detailed profiles of some of the most significant personalities ever. Read on to see who they were, what they did and why they were so important.

Joe DavisWillie SmithGeorge GrayWJ PeallJohn Roberts Jr