B.Sc., Mech.& Nuclear Eng., Federal Univ. of Rio de Janeiro, UFRJ, Brazil, 1981, PhD, Mech.&Aerospace Eng., North Carolina State Univ., USA, 1985. Assoc. Professor, UFRJ, 1987, Professor, 1994. Author, 570 papers, 10 books, Supervisor, 49 MSc, 38 PhD, 17 PosDoc. 15 Editorial Boards incl. Int. J. Heat & Mass Transfer. Editor, Annals Braz. Academy of Sciences. President, Braz. Assoc. Mechanical Sciences, ABCM, 2000-2001, Scientific Council, Int. Centre for Heat & Mass Transfer, ICHMT, from 1993, Exec. Comm., from 2006, EC Chairman 2017-2018. Congress Comm., Int. Union of Theor. & Applied Mech., IUTAM, 2012-2018. Exec. Comm., Braz. Academy of Sciences, 2012-2015. ICHMT Hartnett-Irvine Award, 2009 & 2015. ICHMT Fellowship Award, 2019. Nat. Order of Scientific Merit, 2009 & 2018 (Grã-Cruz), Nat. Order of Naval Merit, 2018. Member, Braz. Acad. of Sciences, 2009, Nat. Eng. Acad., 2011, The World Acad. of Sciences, TWAS, 2012. Doctor Honoris Causa, Univ. de Reims, France, 2018. President, Nat. Comm. of Nuclear Energy, CNEN, 2015-2017. Leverhulme Visiting Prof,Univ. College London, UK. Senior Tech. Counselor, DGDNTM, Braz. Navy, from 2017. Member National Council of Energy Policy, 2020-2022

Kellner (PhD 1996, Columbia U., New York, American Museum of Natural History) is prof. and researcher at the Museu Nacional/Universidade Federal do Rio de Janeiro since 1997, investigating paleobiodiversity and development of ancient ecosystems. Described +60 species, published +200 original studies (publications total +800). Advised +50 master, PhD students and postdocs. Organized field activities to remote areas of Brazil, Iran, China, Chile and Antarctica. Headed several scientific meetings and is involved in communicating science, through publications, documentaries and exhibitions such as During the Time of the Dinosaurs (1999-landmark in Brazil), exhibitions in Japan and New York. Among awards and honors: TWAS Prize 2010 and Ordem Nacional do Mérito Centífico (Brazil, 2010). Elected to the Brazilian Academy of Sciences (ABC) and TWAS and honorary member of other organizations.

Maculan is Professor Emeritus in the Department of Systems Engineering and Computer Science of the Federal University of Rio de Janeiro (COPPE/UFRJ). He worked as Visiting Professor in European and North American universities, supervised over 60 Ph.D. theses and 150 M.Sc. dissertations, published 6 books and over 100 papers in scientific journals. Currently President of the International Federation of Operational Research Societies – IFORS, former President of the Federal University of Rio de Janeiro (1990-1994) and National Secretary for Higher Education (2004-2007), his membership includes the Brazilian Academy of Sciences and the European Academy of Arts, Sciences and Humanities (Paris, France). He was honored with several awards such as: Doctor Honoris Causa (Université Paris 13), Chevalier dans l’Ordre National du Mérite (France) and Grand-Cross for Scientific Merit (Brazil).