David Gergen, a prominent figure in U.S. politics and trusted advisor to four presidents—Nixon, Ford, Reagan, and Clinton—has died at the age of 83. Gergen, who was also known for his role as a political commentator on CNN, made significant contributions to the Kennedy School’s Center for Public Leadership. Colleagues and friends have expressed their sorrow and respect, with many remarking on the impact he had in Washington and beyond. His passing marks the loss of a towering figure in the political landscape.