Professor Aldo Steinfeld's contributions to the fields of solar thermochemistry and energy conversion are extensive and impressive. His work has greatly contributed to the ongoing transition from fossil to renewable fuels. We, his former doctoral students and postdoctoral researchers, take a look back at his life and honor his contributions. His work has redefined the field and created a legacy that reverberates throughout the world. His impact is being realized through his tireless efforts towards developing cutting edge solar technologies, writing seminal papers, and his undying commitment to and leadership in the solar energy and renewable energy technology communities and beyond. This legacy has been recognized by numerous accolades and will continue after his retirement through his mentorship and guidance of the next generations of researchers dedicated to continuing his solar research.