Professor Dowell's Head was created in 1925.
I'm thinking March...
Professor Dowell's Head has 157 pages.
The ISBN of Professor Dowell's Head is 0-02-508370-8.
Professor Elemental was created in 2005.
Professor Unrat was created in 1905.
Professor X was created in 1963.
Professor Challenger was created in 1912.
The Professor's House was created in 1925.
Professor Potter was created in 1957.
Rajagopal - professor - was created in 2010.
Professor Ratbaggy was created in 1999.
Professor Phobos was created in 1981.