Geoffrey Douglas Maitland 1924–2010

Francis Maitland Balfour (1851-1882)

During the 1870s and early 1880s, the British morphologist Francis Maitland Balfour contributed in important ways to the budding field of evolutionary embryology [4], especially through his comparative embryological approach to uncovering ancestral relationships between groups. As developmental biologist and historian Brian Hall [5] has observed, the field of evolutionary embryology [4] in the ...

Robert Maitland Beath, B.A., M.B., F.F.R

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...

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...