Koch and Wynn are two American businessmen who have achieved great success in their respective fields. Edward Koch was a lawyer, politician, and philanthropist who served as the 105th Mayor of New York City from 1978 to 1989. He was known for his fiscal conservatism and his commitment to improving the city's infrastructure. Wynn Resorts is a casino and resort company founded by Steve Wynn in 2002. The company operates several properties in Las Vegas, Macau, and other locations around the world. The answer to the crossword puzzle is EDS, which stands for Edward and Steve, the first names of Koch and Wynn.