1923 – Walking Lunar Rover (Science Fiction) – Homer Eon Flint (American)

The vehicle in the book is described as being bee-like; when not flying, then walking. During the 1920s and 1930s, the lunar rovers of science fiction were sometimes more humorous than scientific. Homer Eon Flint, in 1923, proposed in his novel "Out of the Moon"  what might be termed an ornithomorphic design.  It resembled a …

1990 – Bipedal Ornithopter – David Santos (American)

Bipedal Ornithopter in flight. Parts. Source: http://web.archive.org/web/19961114042310/http://robotgroup.org/projects/Roboblimp.html Bipedal Onithopter UAV By David Santos It runs on two legs, flaps wings to take flight, and flys nimbly about the nooks and crannies of urban landscapes. Featured on the Discovery Channel's, Invention Series, ABC's Good Morning America, and Newsweek magazine. The blimp is a 12-foot-long airship with running legs …