Conceptual, businessperson, businessman, Caucasian, idea, intellectual, thought, abstract, corporate, information, IT, technology, network, networking, intellect, intelligence, computer, brain, executives, management, man, men, smart, imagination, dreaming, people, professional, working, artistic, brainstorming, change, conceptual, concentration, bright idea, boardroom, time, light bulb, window, concept, brainstorm, theory, thinking, inspiration, ideas, hat, formal, derby, collar, bowler hat, surreal, smirk, shadow, glow, sky, shutters, square, noir, black, moody, dark, cocky, sly, suite, tie, vertical, white, b/w, b&w, monochrome, black and white, white collar, smirking, smile, smiles, smiling, invention, inventive, creative, think, thoughtful, thoughts, mind, portrait, close-up, intelligent, symbolic, opportunity, research, White, 40s, 50s, adult, adults, middle age, middle aged, businessmen, person, masculine, male, achievement, amusement, confident, happy, happiness, model release, thinker, Mel Lindstrom, Mira.com, PR88, concepts