Some more answers:
17. "Crick would have been sacked for being idle and Watson would have been told to piss off and stop messing about with his grant."
E. Robert May, former president of the Royal Society.
[PLAIN]http://observer.guardian.co.uk/uk_news/story/0,6903,1651779,00.html[/URL]
18. "If people don't have a good sense of humour, they are usually not very good scientists either. They don't realize that science doesn't need to be boring to be good."
D. University of Manchester physicist Andre Geim
No url. I got this by process of elimination.
19. "You know, a lot of people probably think math and science isn't meant for me – it kind of seems a little hard, algebra. I can understand that, frankly."
B. US President George W Bush
http://www.whitehouse.gov/news/releases/2006/02/20060203-6.html
20. "We will have to use brain-augmentation technology to do new physics within 50 years."
F. Ian Pearson, futurologist at BT.
No direct quote.
http://www.btinternet.com/~ian.pearson/web/future/nbicby2030.htm
21. "There is about a 95% chance that the US will use nuclear weapons against Iran by the end of the year."
G. University of California San Diego physicist Jorge Hirsch
http://physicsweb.org/articles/world/19/6/3/1
22. "In a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?"
C. Cambridge University theorist Stephen Hawking
http://answers.yahoo.com/question/index?qid=20060704195516AAnrdOD
23. "I would probably kill someone if I saw them torturing a cat."
A. Brian May, Imperial College physics graduate and guitarist with rock band Queen
http://www.banguniverse.com/newsitems/view/23