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  • Gabriel Popescu passed away in June 2022. He will be remembered as a creative leader in biophotonics, with pioneering contributions to quantitative phase imaging and spectroscopy, an engaging collaborator and a dear friend.

    • Natan T. Shaked
    • YongKeun Park
    • Peter T. C. So
  • The 2014 Nobel laureate, Isamu Akasaki, sadly passed away in April at the age of 92. He was highly regarded for his work on the invention of efficient blue light-emitting diodes and research into new semiconductor materials.

    • Yasuo Koide
  • Webb’s work helped fundamentally reshape basic research and advanced manufacturing in the generation and application of photonics across disciplines, from fundamental and applied physics to the biosciences.

    • Jeffrey Squier
  • The Indian scientist and passionate entrepreneur responsible for pioneering work on optical fibres and biomedical optics has passed away aged 94.

    • Kamal P. Singh
  • When the nanophotonics research community finally gets back to in-person conferences, the rooms will have empty chairs on the first row. The chairs will be reserved for Professor Mark I. Stockman.

    • Alexandra Boltasseva
    • Vladimir M. Shalaev
    • Nikolay. I. Zheludev
  • Radiation pressure exerted by light was a lifelong passion for Arthur Ashkin. He foresaw that light pressure could do useful work and invented the optical tweezers that can trap microscopic objects, from small ‘living things’ down to individual atoms.

    • René-Jean Essiambre