Professor of physics and history of science at the Universidade Federal da Bahia, Brazil. He is the Scientific Director of CNPq. Writes on history of quantum physics, history of science in Brazil and uses of history and philosophy of science in science teaching. Author of, among other works, The Quantum Dissidents – Rebuilding the Foundations of Quantum Mechanics 1950 - 1990 (2015), David Bohm – A Life Dedicated to Understanding the Quantum World (2019), Oxford Handbook of the History of Quantum Interpretations (editor) (2022), and Teoria Quântica: Estudos Históricos e Implicações Culturais (2011). The last one is in Portuguese and was awarded the 2011 Jabuti Prize in science and technology. On the history of science in Brazil, he wrote History of Science and Technology in 20th-Century Brazil, in Oxford Research Encyclopedia of Latin American History (2020).