**The 1968 conference was organized by Victor Gugenheim. His friends and collaborators have contributed to this****memorial**notice.

Photo of Larry Lambe and Victor (ca. 1990)

The**programme**of the Gugenheim Memorial Conference (1995).**Introduction and Table of Contents****Orientability and Extensions of Cohomology Theories**(James C. Becker)**The Arf Invariant of a Manifold**(Edgar H. Brown)**The non-existence of a space with finitely generated stable homotopy**(Joel M. Cohen)**On some applications of the cobar construction**(Byron Drachman)**Evaluating secondary operations on low dimensional classes**(S.Gitler and R. James Milgram)**Operations and two cell complexes**(Brayton Gray)**Perturbation theory and homological algebra**(V.K.A.M. Gugenheim and R. James Milgram)**On a family of tertiary operations**(Richard O. Hill, Jr.)**Secondary operations associated with B(n)**(John R. Harper)**Loop operations**(David Kraines)**On secondary cohomology operations II.**(Leif Kristensen)**On the structure of the operation algebra for certain cohomology theories**(Leif Kristensen and Ib Madsen)**The obstruction theory based on a particular quotient group of \pi*(Vn)**(Mark Mahowald)**Higher order linking numbers**(W.S. Massey)**Relative stable homotopy**(Jean-Pierre Meyer)**The cohomology of BG**(R. James Milgram)**The homotopy groups of the exceptional Lie groups**(N. Mimura)**Secondary compositions and the Adams spectral sequence**(R.M.F. Moss)**Mod 2 cohomology of D2^n and its extensions by Z2**(Hans Joergen Munkholm)**Extended power operations in homotopy theory**(G. Nishida)**On the cohomology of BSF and BSPL**(Franklin P. Peterson)**Higher product operations**(Gerald J. Porter)**The image of J as a space mod p**(James D. Stasheff)**Problems proposed at the conference**(James D. Stasheff)