PhD (Physics) / University of Southern California, 1974. Areas of work: Quantum Optics and Condensed Matter (Theory and Experiment), Physical Cryptography. Full Professor, Universidade Federal de Minas Gerais / MG / Brazil (up to 1995) / Northwestern University (2000-2012), and CEO, QuantaSec Consultoria e Projetos em Criptografia F´ısica Ltda /Brazil.