Complex sentence: Mick Burke (1941-1975) was an English mountaineer and climbing cameraman who covered many British led mountaineering expeditions during the 1960s and 70s including those led by Chris Bonington to Annapurna and an unsuccessful attempt on Mount Everest's South West face in 1972.
Split into simpler sentences: Mick Burke (1941--1975) was an English mountaineer and climbing cameraman, who covered many British-led mountaineering expeditions during the 1960s and 1970s. These included expeditions led by Chris Bonington to Annapurna and an unsuccessful attempt on Mount Everest's south-west face in 1972.