Colleagues and co-workers, both past and present, submit their best wishes to

Prof. Dr. sc. med. Dres. h. c. FRANZ BOLCK,

Director of the Institute of Pathology from 1955 to 1984, Friedrich Schiller University lena, Founder and Executive Editor of EXPERIMENTAL PATHOLOGY

on the occasion of his 70th birthday.

By the articles presented in this issue the authors want to emphasize their gratitude and respect.

13 Exp. Pathol. 34 (1988) 4 189