Francis Phillip Wernig aka Alan Ashley-Pitt

“The woman who follows the crowd will usually go no further than the crowd. The woman who walks alone is likely to find herself in places no one has ever been before.”
― Francis Phillip Wernig aka Alan Ashley-Pitt

In conclusion, based on current evidence this saying was probably crafted by Francis Phillip Wernig who was using the pseudonym Alan Ashley-Pitt.  The earliest known version referred to a “man”, and later versions switched to “one”, “person”, or “woman”. https://quoteinvestigator.com/2012/10/18/follows-crowd/