Complex sentence: Colonel Peter Hawker, (1786-1853) was a celebrated diarist, author and sportsman who was accounted one of the "Great Shots" of the 19th Century, his sporting exploits were widely discussed and were reported in The Times.
Split into simpler sentences: Colonel Peter Hawker, (1786-1853) was a celebrated diarist, author and sportsman who was accounted one of the "Great Shots" of the 19th Century. His sporting exploits were widely discussed and were reported in The Times.