David Bohm's Critique of Modern Physics - Letters to Jeffrey Bub, 1966-1969

In the 1950s and 60s, Bohm took a direction unheard of for a professor of theoretical physics: while still researching in physics, working among others with Yakir Aharanov and later Jeffrey Bub, he also spent time studying “metaphysics”—such as Hegel’s dialectics and Indian panpsychism.