Overview

• CBS News confirmed his death in Washington, D.C., with no cause disclosed, and reports noted diabetes and poor health.
• Knoller spent 32 years at CBS News, serving as White House radio correspondent and covering presidents from George H. W. Bush through Donald Trump.
• He built a comprehensive daily database of presidential activity and routinely shared his statistics with reporters, historians, and White House staff.
• Vocal issues late in his career led him to focus on Twitter/X, where he drew roughly 300,000 followers with data-rich updates on the presidency.
• Tributes from CBS leadership, the White House Correspondents Association, AP journalists, and peers praised his rigor, generosity, and nonpartisan reporting.