2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111849Professor A. K. Raychaudhuri suddenly passed away on 18th June 2005. I have attempted to give a glimpse of his life and work, and more specifically his role as a great teacher and inspiring force to three generations of students of the Presidency College, Kolkata.Obituary of the creator of the Raychaudhuri Equation, Professor A. K. RaychaudhuriHistory and Philosophy of Physicstext