Think of a famous 20th-century logo, and chances are Chermayeff & Geismar designed it: Pan Am, NBC, Chase, Mobil, PBS, National Geographic, Barneys, AX, the Museum of Modern Art. The list goes on ...

Adler, a British company that specializes in corporate gifting, asked 100 people to draw famous logos. Each participant was given paper, some colored pens, and a list of 10 iconic logos to draw.