Safi Bahcall

American physicist and biotech entrepreneur who wrote Loonshots — arguing that organizations naturally suppress radical innovation ('loonshots') the same way water freezes, and that the key leadership skill is managing the phase transition between the 'artists' (innovators) who pursue loonshots and the 'soldiers' (operators) who run the core business.

Created the physics-of-phase-transitions framework for understanding why organizations kill their best ideas — Loonshots argues that the suppression of innovation is a structural phase transition (like freezing water), not a failure of individual courage, and that the CEO's job is to manage the temperature at which the organization operates.