The counter clerk is a 'SODA JERK'...
Keywords: soda, ice, cream, diners, fountains, jerks, floats, men, shops, nostalgia, 1950, dinners, people, cafes, clip, art, pops, dining, advertising, food, sandwiches, olives, drinks, 1940, cup, 50s, service, forties, fifties, lunches, milkshakes, retro, clipart, americana, 40s, beverages, sundaes, classic, restaurants, servers