Professor Ronald Marks of Cardiff, founder of Bioengineering and the Skin. Issue 4 (29th July 2020) - Serup, Jørgen; Grove, Gary; ,; Querleux, Bernard; Hawkins, Stacy; El Gammal, Stephan; Fluhr, Joachim; Koenig, Karsten; Wilhelm, Klaus-Peter; Houser, Tim; Muizzuddin, Neelam; Tate, Margaret; et al.