If you have listened to the podcast for any length of time, you know I love the physiology behind our interventions. If you too love physio, then I have someone you need to know. His name is Jon-Emile Kenny. He is a pulmonary critical care doc and he has a passion for physiology in the ICU.
You can check out his work at his site Heart-Lung.org.
He also writes on ICU Physio on the excellent pulmccm.org blog.