John S. Barr is the most successful designer of commercially distributed flies in the world. He has invented a number of indispensable flies such as the Barr Emerger, an unrivaled pattern for difficult trout across the country, and the Copper John, which has evolved into the most popular fly of the millennium. He is a fly designer for Umpqua Feather Merchants and lives in Boulder, Colorado. Charlie Craven co-owns Charlie's Fly Box, a fly shop in Arvada, Colorado, and is a top-selling signature fly designer for Umpqua Feather Merchants. Craven is the Fly Tier's Bench columnist for Fly Fisherman and author of Charlie Craven's Basic Fly Tying: Modern Techniques for Flies That Catch Fish and Charlie's Fly Box: Signature Flies for Fresh and Salt Water. He is also featured in recent Fly Fisherman magazine DVDs Warmwater Fly Tying and Saltwater Fly Tying. He lives in Palmer Lake, Colorado.