Charles Darwin:
http://www.nhm.ac.uk/nature-online/science-of-natural-history/expeditions-collecting/beagle-voyage/
http://www.guardian.co.uk/science/interactive/2009/feb/12/charles-darwin
http://www.aboutdarwin.com/darwin/whowas.html
http://www.teachersdomain.org/resource/tdc02.sci.life.evo.dar/
Count Zeppelin
http://www.airships.net/count-ferdinand-von-zeppelin
http://www.ideafinder.com/history/inventors/zeppelin.htm
http://www.spartacus.schoolnet.co.uk/FWWzeppelinF.htm
http://www.nhm.ac.uk/nature-online/science-of-natural-history/expeditions-collecting/beagle-voyage/
http://www.guardian.co.uk/science/interactive/2009/feb/12/charles-darwin
http://www.aboutdarwin.com/darwin/whowas.html
http://www.teachersdomain.org/resource/tdc02.sci.life.evo.dar/
Count Zeppelin
http://www.airships.net/count-ferdinand-von-zeppelin
http://www.ideafinder.com/history/inventors/zeppelin.htm
http://www.spartacus.schoolnet.co.uk/FWWzeppelinF.htm