As a graduate student at Columbia, this scientist worked on the Cerion snail in Central America.  
One of this author's theories takes its name from a device used to set the quadripartite symmetry of the dome of St. Mark's Cathedral in Venice, and was discussed in a paper on the "Panglossian paradigm" which critiqued the "adaptationist program."  He coined the neologism "exaptation" to support that "spandrel" theory, which denies that all extant features of an organism are actually selected for.  As a graduate student at Columbia, this scientist worked on the Cerion snail in Central America.  His column "This View of Life" in Natural History is collected in the book Ever Since Darwin, but contemporaries such as Ernst Mayr have criticized him for works such as The Mismeasure of Man, The Flamingo's Smile, and The Panda's Thumb.  FTP, name this evolutionary biologist who, with Niles Eldredge, formulated the theory of punctuated equilibrium.
One of this author's theories takes its name from a device used to set the quadripartite symmetry of the dome of St. Mark's Cathedral in Venice, and was discussed in a paper on the "Panglossian paradigm" which critiqued the "adaptationist program."  
Stephen Jay Gould