Complex sentence: Werner Keller proposed that the impact of the staff could split a shell of limestone, through which water dripped, based on the memoirs of the British Governor of Sinai, Claude Scudamore Jarvis, who supervised water exploration in the region in the 1930s.
Split into simpler sentences: Werner Keller proposed that the impact of the staff could split a shell of limestone, through which water dripped. His judgment is based on the memoirs of the British Governor of Sinai, Claude Scudamore'a Jarvis, who supervised water exploration in the region in the 1930s.