In 1962, Joel Meyerowitz left his job in advertising and set out to be a photographer. He started by venturing outside with two Leica cameras (one loaded with color film and the other with black and white) to snap the world in motion: In one image, a man strides through the streets of New York cradling an enormous dog in his arms; in another, a couple zooms through Greece on a scooter, the woman’s scarf blurred by the wind.

“Along with half a dozen other photographers of his generation, Joel Meyerowitz is responsible for the re-evaluation of color photography as a significant form of art,” says Giles Huxley-Parlour, the director of London’s Beetles+Huxley Gallery, which opens a show focused on the photographer’s influential street photography this week.