David J. Steigmann is Professor in the Department of Mechanical Engineering, University of California, Berkeley. He is Fellow of the Society of Engineering Science (Elected 2010), Lecturer, Midwest Mechanics Tour (2009-10 academic year) and Visiting Research Professor, 2013 and 2015: Universita di Roma, la Sapienza. He is Recipient of Levi-Civita Prize, 2013. He is Recipient of Engineering Science Medal, conferred by the Society of Engineering Science, for 'Singular Contributions to Engineering Science' (2013). A special issue of the journal Continuum Mechanics and Thermodynamics is dedicated to D.J. Steigmann.
Mircea Bîrsan
is Professor, Faculty of Mathematics, University Duisburg-Essen, Germany (since 2014), and Associate Professor, Department of Mathematics, University "Alexandru Ioan Cuza" of Iasi, Romania (2007-2013). He is Recipient of the prizes "Gheorghe Lazar" of the Romanian Academy (2007) for the contributions on the deformation of elastic Cosserat shells and "Nicolae Teodorescu
