Original sentence: (Based on a conversation with friend Ben Kovitz, Sanger proposed the idea of a wiki-based encyclopedia.Because Sanger was Wales' employee, Wales considers himself the "sole founder" of Wikipedia, though Sanger continues to call himself the "co-founder".and did most of the early development of Wikipedia, while Wales mainly provided the necessary capital
Edited sentence: (Sanger did most of the early development of Wikipedia, while Wales mainly provided the necessary capital.Because Sanger was Wales' employee, Wales considers himself the sole founder of Wikipedia, though Sanger continues to call himself the "co-founder"