Prof. Adam Mazurkiewicz is an Associate professor at the Faculty of Mechanical Engineering, University of Science and Technology in Bydgoszcz. His main areas of scientific interests: Relations among structure, denstity and strength of bone epspecially during bone diseases as osteoporosis or arthrosis. Changes in structure and mechanical properties articular cartilage in arthrosis and other diseaes of human joints. Research on the field of polymers and glue connection.