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We bid farewell to a beloved colleague, whose work and warmth touched the lives of so many in the physics community and beyond. Thank you, Allan, for being such an inimitable part of Columbia Physics.

In a follow-up conversation with Professor Hill, recent recipient of the 2026 New Horizons Prize, he reflects on his research, influences, and goals as a physicist 

The award recognizes graduate student instructors from across the University's disciplines and campuses who demonstrate exceptional commitment and innovation in teaching