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Collage of the three Berkeley Lab scientists elected to the American Academy of Arts & Sciences. From left: Polly Arnold, Uroš Seljak, and Irfan Siddiqi. Berkeley Lab AAAS fellows, from left: Michael Levi, Jian-Hua Mao, Trent Northen, Alan Poon, Sayeef Salahuddin Ashok Gadgil, Physicist Senior Faculty Scientist/Engineer, Energy Technologies Area (ETA), photographed with the UV Waterworks device, a low-cost and efficient water purifier that utilizes ultra-violet light to render viruses and bacteria harmless, at his lab on the UC Berkeley campus, Berkeley, California, 03/27/2023. Ashok Gadgil wearing a black suit jacket and white collared shirt, photographed in his lab. Person with short gray hair wearing glasses and a navy suit with a collared shirt, posing inside of a lab, next to the UV Waterworks device resting on a table. White R&D 100 Awards logo on a dark green background. Eva Nogales, a person with medium-length white hair wearing glasses and a dark jacket over a white collared top, photographed outdoors with trees in the background. Two side-by-side portraits of scientists Birdeye view of a city-scape. A large green roof dominates the center of the frame. Trees and forested area surround the building. Collage of two images. From left: Darleane Hoffman, Gabor Somorjai. Person in a black suit and glasses standing cross-armed in front of buildings. Collage of six people laid out three in a row. From top row, left to right: Aindrila Mukhopadhyay, Rangachary Mukundan, Howard Padmore. From bottom row, left to right: Kristin Persson, Whendee Silver, and Dan Stamper-Kurn.