*Dr. [[Heinz-Ludwig Sänger]]. PhD, Emeritus Professor of Molecular Biology and Virology and a former director of the Department of Viroid Research, Max Planck Institute for Biochemistry, Germany; Recipient of the international Robert Koch award for medical research, 1978* | *Dr. [[Heinz-Ludwig Sänger]]. PhD, Emeritus Professor of Molecular Biology and Virology and a former director of the Department of Viroid Research, Max Planck Institute for Biochemistry, Germany; Recipient of the international Robert Koch award for medical research, 1978* |