Matrix isolation of highly electrophilic carbenes /Wolfram Sander --Observing invisible carbenes by trapping them with pyridine /Matthew S. Platz --Carbenic philicity /Robert A. Moss --Approach to a persistent triplet carbene /Hideo Tomioka --Diaminocarbenes: exploring structure and reactivity /Roger W. Alder --Stable versions of transient singlet carbenes /Guy Bertrand --Discovery and development of high oxidation state alkylidene complexes /Richard R. Schrock --Fischer carbene complexes in organic synthesis /K. H. Deotz, H. C. Jahr --From high-spin polycarbenes to carbene-based magnets /Noboru Koga, Hiizu Iwamura