Prof. Shahrokh Farhangi, an esteemed electrical engineering professor at the University of Tehran, leaves behind a transformative legacy in academia and renewable energy innovation. Over his 48-year career, Prof. Farhangi, who held a B.Sc., M.Sc., and Ph.D. from the University of Tehran, shifted from electronics to power electronics in the 1990s, enriching the curriculum and earning the title of father of Power Electronics in Iran. Recognizing the potential of renewable energy technologies, Prof. Farhangi founded the Photovoltaic Systems Laboratory in 2000. This initiative underscored his commitment to advancing solar energy research and development. His dedication is highlighted by his role as both faculty member and Dean of the Electrical and Computer Engineering School, and by his prolific scholarly output of over 200 papers. Internationally recognized, including a Distinguished Engineer title in 2008 by the Iran Academy of Sciences and several awards for his work on power converters. The academic and scientific communities felt a profound loss with Prof. Farhangi's passing in November 2021. His enduring legacy continues to inspire and guide future generations in the pursuit of scientific excellence and innovation.