During the 1970s, a handful of Greenpeace activists devised a radical plan to halt commercial whaling once and for all. A massive Soviet vessel, its harpoon gun prepared to strike, towers over a whale just beneath the bow. Blood seeps from a gaping wound as the cold waters of the Pacific Ocean turn crimson. This haunting image redefined the fight against whaling and kickstarted Greenpeace’s "mind bomb" campaign, recalls Rex Weyler, the photographer behind the iconic 1975 shot (scroll