Lester Packer was an exceptional scientific leader, whose radiant personality inspired and encouraged generations of students and scientists for research to pursue oxidants and antioxidants in biology and medicine. For the FORUM dedicated to Professor Packer, we here describe key aspects of his professional career, from the early years at Brooklyn College, Yale University, and the Johnson Research Foundation at Philadelphia to his long-term base at the University of California, at UC Berkeley. The concept of the "Antioxidant Network" formed the core of his activities in later years. His welcoming and integrative personality led to a worldwide network of colleagues, starting with the Bay Area Oxygen Club, which turned into the Oxygen Club of California, and his leadership in the Society for Free Radical Research-International. To illustrate his warmth and outreach, which enabled him to form borderless global collaborations, we conclude with words from some of his many friends also from outside academia: Lester Packer's legacy. 38, 768-774.
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This article is in tribute to Helmut Sies and is written by his friends from the Oxygen Club of California with personal recollections from each of us: Enrique Cadenas on "Oxidative Stress and Mentorship", Lester Packer on "The Antioxidant Network", and Maret G. Traber on "Nutrition and Chronic Disease". We conclude with a brief overview of the positive influence Helmut Sies has had on the Oxygen Club of California.
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