Complex sentence: The Mast formation was climbed on August 24,1950 by Bob Waring and Jon Stephenson, and the Funnel formation was climbed on December 1,1950 by Bob Waring and Kemp Fowler.
Split into simpler sentences: The Mast formation was climbed on August 24,1950 by Bob Waring and Jon Stephenson. The Funnel formation was climbed on December 1,1950 by Bob Waring and Kemp Fowler.