The Belief Doctor®  is an easy-to-remember nom de plume

of Stephen John Pirie,

author of

The Dynamics of Gender and Life
"The Dynamics of Gender and Life:
Timeless Principles of Quantum,
Fractal and Natural Phenomena,
and Human Social Dynamics

It also serves to differentiate Stephen Pirie the author, from others of the same name, thus avoiding confusion.

"The Belief Doctor" is a Registered Trademark® of Stephen Pirie