Mellon Lecture: Obscuritas — Ambiguity and Disorientation

East Building Auditorium and Virtual. This is the third of four lectures ... 4th St and Constitution Ave NW 10:00 a.m.–5:00 p.m. daily; tickets@nga.gov

III. Obscuritas: Ambiguity and Disorientation. East Building Large Auditorium. 2:00 p.m. – 3:00 p.m..

III. Obscuritas: Ambiguity and Disorientation ... Sunday, May 17, 2026 | 2:00 p.m. - 3:00 p.m. ... This is the third of four lectures in In Praise of Difficulty: