What is the nationality of the geologist who declared Schoonmaker Reef significant ?
James Hall (paleontologist) James Hall (September 12, 1811 – August 7, 1898) was an American geologist and paleontologist. He was a noted authority on stratigraphy and had an influential role in the development of paleontology in the United States.
Gustava Aigner Dr. Gustava Kahler, née Aigner, (29 April 190622 March 1987) was an Austrian geologist and palaeontologist. She was noted in particular for her work with Franz Heritsch and with her husband, Franz Kahler. In recognition of her discovery of graptolites in the northern greywacke zone, her former fellow student, Ida Peltzmann, named two species for her.