Many thousands of families have benefited directly from IVF since the birth of Louise Brown in 1978.
However, fertility treatment was not always as readily accepted as it is today and had it not been for Bob's scientific innovation and his passionate commitment to ensuring the technology was made available to all those who needed it, many parents would have been left childless.
Few scientists can say that their work has impacted on mankind in such a meaningful way. He was an exceptional man whose compassion and tenacity will be dearly missed.
More top news
The Government intends to fund abortions in England for women arriving from Northern Ireland, where it is illegal, Philip Hammond has said.
Rain will continue to swirl around an area of low pressure over the UK bringing further prolonged spells of rain to some areas.
As a deadline looms for talks to salvage power sharing in Northern Ireland, Sinn Fein has warned it is "make your mind up time for the DUP".