Complex sentence: Ewart Scott Grogan (1874--1967) was a British explorer, politician, and entrepreneur, and the first person to walk the length of Africa, following a path from Cape Town to Cairo.
Split into simpler sentences: Ewart Scott Grogan (1874--1967) was a British explorer, politician, and entrepreneur. He was the first person to walk the length of Africa, following a path from Cape Town to Cairo.