Image 1. Gunnar von Heijne of Stockholm University.

<p>Photo by Max Brouwers.</p

Michael Ashburner. Photo courtesy of European Molecular Biology Laboratory.

<p>Michael Ashburner. Photo courtesy of European Molecular Biology Laboratory.</p

Olga Troyanskaya. Photo courtesy of Princeton University, Office of Communications.

<p>Olga Troyanskaya. Photo courtesy of Princeton University, Office of Communications.</p