Roberta KevelsonRoberta Kevelson (November 4, 1931 – November 28, 1998) was a semiotician and an important authority on the pragmatism theories of Charles Sanders Peirce. She was a professor at Pennsylvania State University and The College of William & Mary, Virginia. Among her published works are ''High Fives'', ''The Inverted Pyramid'', ''The Law as the System of Signs'' and possibly her most significant work, ''Peirce and the Mark of the Gryphon''. She was a founding member of the Semiotic Society of America.
Kevelson was born in Fall River, Massachusetts. Although married at 17, she returned to college in the 1960s and received her PhD in semiotics from Brown University in 1978. During her postdoctoral tenure at Yale University (1979-1981), she introduced the concept of legal semiotics. She subsequently established an international cross-disciplanary center for its study in 1984. Provided by Wikipedia