The genus Mesadactylus was named in 1989 by James Jensen and a professor that was born in this year?
Mesadactylus: Mesadactylus ('mesa finger') is an extinct genus of pterosaur from the Kimmeridgian-Tithonian-age Upper Jurassic Morrison Formation of Colorado, United States. Mesadactylus:  The genus was named in 1989 by James Jensen and Kevin Padian. Kevin Padian: Kevin Padian (born 1951) is a Professor of Integrative Biology at the University of California, Berkeley, Curator of Paleontology, University of California Museum of Paleontology and President of the National Center for Science Education.
1951