Mentorship programmes for entrepreneurs were proposed, as was help with job mobility.
Plausible models of active sites formed by various alkyl-Al cocatalysts were proposed as well.
Space telescopes were proposed as early as 1923.
Ideas for a Conan film were proposed as early as 1970.
Various group theories of Shakespearean authorship were proposed as early as the mid-1800s.
Ideas for a film about the Schindlerjuden (Schindler Jews) were proposed as early as 1963.
Cobalt bombs were proposed as a hypothetical doomsday weapon that would kill everybody with fallout, but are in practice hard and expensive to build.
At the Canaletto show at the Met in New York a decade ago several pictures were proposed as early Canalettos but without much documentation to back that up.
Modest tax cuts were proposed as Mr Reinfeldt tailored his message to voters who believe that Sweden's cherished "social model" needs to be reformed but not dismantled.
Mechanical atoms were proposed as components of matter in general.
Loon and Wing, which respectively launched in 2013 and 2014, have both seen substantial progress from the moonshot ideas they were proposed as.
