Last Prof. Gavriil Ilizarov	Last with Prof. Mihran Taschyan
With Dr. Christensen	With Prof. Rodney and Joice Beals
With Prof. S.Green	With Prof. V.I. Shevtsov
With Prof. M.Samchukov	With D.m.s. Artemyev
With Prof. D. Paley	With Prof. M. Catagni