I started following Astronaut Chris Hadfields tweets @Cmdr_Hadfield because of his pictures. Then he started posting videos about science. http://www.youtube.com/channel/UCtGG8ucQgEJPeUPhJZ4M4jA Now he is playing guitar and singing with Barenaked Ladies Ed Robertson. Unfortunately, he is coming home soon. He has excited both adults and kids about the space program more than anyone since the first launches. I have had the opportunity to see several takeoffs and even a special tour of the Kennedy Space Center.
All of this pictures are mapped here. https://cogsnscc.maps.arcgis.com/apps/OnePane/basicviewer/index.html?appid=0d1b3909ad9944dab7e29354f465ade7