Lyell 's books had widespread influence , not least on the up-and-coming young geologist Charles Darwin who read them with enthusiasm during his voyage on the `` Beagle '' , and has been described as Lyell 's first disciple .
Lyell 's books had widepread influence , not least on the up and coming young geologist Charles Darwin who read them with enthusiasm during his voyage on the `` Beagle '' .