GEOFFREY KONSTAM 1899 1962

Geoffrey Jefferson 1886-1961.

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Envelopment Thomas Eisenmann Geoffrey

Due to network effects and switching costs, platform providers often become entrenched. To dislodge them, entrants generally must offer revolutionary products. We explore a second path to platform leadership change that does not rely on Schumpeterian creative destruction: platform envelopment. By leveraging common components and shared user relationships, one platform provider can move into ano...

Modern Treatment Yearbook, 1962

Geoffrey Dutton's SDH 96 Paper

Planetary geocoding using polyhedral tessellations are a concise and elegant way to organize both local and global geospatial data that respects and documents locational accuracy. After a brief review of several such spatial referencing systems, topological, computational, and geometric properties of one of them are examined. The particular model described in the remainder of the paper – the oc...

John F. Fulton (1899-1960)

A Midsummer Reminiscence In June of 1957 word came to me in Zurich that Dr. Fulton was gravely ill. He had recently arrived in London to celebrate the Harvey Tercen-tenary and was to go on from there to Oxford to receive an honorary degree. He had rallied from critical illnesses before, but this time it seemed that the end had come. I boarded a plane for London. The muffled roar of the all-but-...