Andrea Mantegna (; c. 1431 – September 13, 1506) was an Italian painter, a student of Roman archeology, and son-in-law of Jacopo Bellini.
==Zunanje povezave==* Sikorsky R-4 page at the National Museum of the United States Air Force* RAF Museum Sikorsky R4 Hoverfly webpage* Photo gallery of Sikorsky R-4B Hoverfly I* Freeman AAF contains the story of America's first Helicopter School* HELIS.com Sikorsky R-4/HNS-1/Hoverfly I Database* New-England Air Museum R-4 exhibit Google street view