Includes bibliographical references.

Letter from R. Thorn ; Higher homotopies, pacts, and the bar construction ; The hare and the tortoise ; Cobordism of involutions revisited, revisited ; Grafting Boardman's cherry trees to quantum field theory ; My time as Mike Boardman's student and our work on infinite loop spaces ; Stabilizing the lower operations for mod two cohomology ; Conditionally convergent spectral sequences ; On (n) quivalences of spaces ; Tessellations of moduli spaces and the mosaic operad ; Hopf rings, Dieudonne modules, and _*\Omega ^2S^3 ; The structure of the Bousfield lattice ; Transfinite spectral sequences ; The bf Zp quivariant complex cobordism ring ; Hopf constructions, Samelson products and suspension maps ; Embedding homotopy spheres and the Kervaire invariant ; Adjoining roots of unity to _\infty ring spectra in good cases a remark ; Grothendieck topology and the Picard group of a complex orbifold ; Formal schemes and formal groups ; Simplicial commutative mathbf F_p lgebras through the lookingglass of mathbf F_p ocal spaces ; The Swisscheese operad ; (n+1) equivalence implies (n) equivalence Rene Thom ; Saunders Mac Lane ; J P May ; Jack Morava ; Jim Stasheff ; R M Vogt ; Terrence P Bisson David J Pengelley and Frank Williams ; J Michael Boardman ; A K Bousfield ; Satyan L Devadoss ; Paul G Goerss ; Mark Hovey and John H Palmieri ; Po Hu ; Igor Kriz ; Kaoru Morisugi ; Duane Randall ; R Schwanzl R M Vogt and F Waldhausen ; Brian Steer and Andrew Wren ; Neil P Strickland ; James M Turner ; Alexander A Voronov ; W Stephen Wilson