Daniel J. Bernstein, American mathematician, cryptologist, and academic
Daniel Julius Bernstein (sometimes known as djb; born October 29, 1971) is an American German mathematician, cryptologist, and computer scientist. He is a visiting professor at CASA at Ruhr University Bochum, as well as a Research Professor of Computer Science at the University of Illinois at Chicago. Before this, he was a professor ("persoonlijk hoogleraar") in the department of mathematics and computer science at the Eindhoven University of Technology.