Keith Kendig, Cleveland State University, OH.

• PermissionsSome snapshotsHow Hassler chose his genesGrowing upHassler goes to collegeEarly days at HarvardThe four-color problem: Some history and Whitney's contributions to itWhitney and the four-color problem: A closer lookWhitney discovers a big brother to the matrix: The matroidTopology: Its beginningsTopology grows into a branch of mathematicsWhitney helped revolutionize algebraic topologyWhitney's extension theoremsWhitney's weak embedding theoremWhitney's strong embedding theoremWorld War IIFrom Harvard to the Institute, and insights on smooth mappingsAre there decomposition theorems for nonmanifolds?After researchEvolution or revolution?Other happenings at the InstituteThe unspeakable was about to happenSometimes you get to know people through the little thingsParting shots: A gallery of photosNotesBibliographyIndex.

Keith Kendig, Cleveland State University, OH.

• PermissionsSome snapshotsHow Hassler chose his genesGrowing upHassler goes to collegeEarly days at HarvardThe four-color problem: Some history and Whitney's contributions to itWhitney and the four-color problem: A closer lookWhitney discovers a big brother to the matrix: The matroidTopology: Its beginningsTopology grows into a branch of mathematicsWhitney helped revolutionize algebraic topologyWhitney's extension theoremsWhitney's weak embedding theoremWhitney's strong embedding theoremWorld War IIFrom Harvard to the Institute, and insights on smooth mappingsAre there decomposition theorems for nonmanifolds?After researchEvolution or revolution?Other happenings at the InstituteThe unspeakable was about to happenSometimes you get to know people through the little thingsParting shots: A gallery of photosNotesBibliographyIndex.

Keith Kendig, Cleveland State University, OH.

• PermissionsSome snapshotsHow Hassler chose his genesGrowing upHassler goes to collegeEarly days at HarvardThe four-color problem: Some history and Whitney's contributions to itWhitney and the four-color problem: A closer lookWhitney discovers a big brother to the matrix: The matroidTopology: Its beginningsTopology grows into a branch of mathematicsWhitney helped revolutionize algebraic topologyWhitney's extension theoremsWhitney's weak embedding theoremWhitney's strong embedding theoremWorld War IIFrom Harvard to the Institute, and insights on smooth mappingsAre there decomposition theorems for nonmanifolds?After researchEvolution or revolution?Other happenings at the InstituteThe unspeakable was about to happenSometimes you get to know people through the little thingsParting shots: A gallery of photosNotesBibliographyIndex.