As reported by Tom Jackson on RAWillumination.net:

A dynamic duo tackle Pynchon

Michael Johnson and Peter Quadrino have jointly released two blog posts that focus on Thomas Pynchon’s epic novel Gravity’s Rainbow.
…
Both discuss Timothy Leary’s fascination with the novel; Michael focuses more on Leary, while PQ offers more of an overview. Do read both pieces.

The Allure of Gravity’s Rainbow and Its Mysterious Author
by Peter Quadrino

Fugitive Thoughts: Timothy Leary’s Reading of Pynchon’s Gravity’s Rainbow
by Michael Johnson