British athletics (track and field) photographer Mark Shearman, a giant in the biz, has covered the 13 Summer Olympics, starting with the 1964 Tokyo Games. He plans to make the 2020 Tokyo Olympics his final hurrah.
His story is this week’s Olympic Notebook — a semi-regular feature in The Japan Times: http://www.japantimes.co.jp/sports/2015/12/19/olympics/shearman-details-life-behind-sporting-lens/#.VnVShPBunyM