The geologist Charles Lyell died at the age of 77. Here is all you want to know, and more!
Biography - A Short Wiki
British geologist and author of Principles of Geology, which popularized the concept of uniformitarianism. He was one of the first scientists to postulate that the earth is older than 200 million years, which was the commonly accepted notion during the 19th century.
He had nine younger siblings.
That ere long, now that curiosity has been so much excited on this subject, some human remains will be detected in the older alluvium of European valleys, I confidently expect.
In several sections, both natural in the banks of the Mississippi and its numerous arms, and where artificial canals had been cut, I observed erect stumps of trees, with their roots attached, buried in strata at different heights, one over the other.
Such discoveries have led me, and other geologists, to reconsider the evidence previously derived from caves brought forward in proof of the high antiquity of Man.
When on my return to England I showed the cast of the cranium to Professor Huxley, he remarked at once that it was the most ape-like skull he had ever beheld.
In valley drift we meet commonly with the bones of quadrupeds which graze on plains bordering rivers.