He is both a theoretical physicist and science policy expert.
Love is arriving home Jim Al-Khalisi is a theoretical physicist and science writer.
David Brin, a physicist and science fiction writer, argues in one chapter that sanctimony can be as physically addictive as any recreational drug, and as destabilizing.
Here it is free, so we have different social groups: a Bangladeshi housewife next to a nuclear physicist; a science fiction writer next to a 12-year-old kid.
Ms Rousseff also named Marco Antonio Raupp, a respected physicist, as science minister when his predecessor switched jobs.Her appointment of Maria das Graças Foster to the top job at Petrobras, the state-controlled oil firm, is particularly striking.
"It is a rare and wonderful moment when success teaches us humility, and this, I believe, is precisely the moment at which we find ourselves at the end of the 20th century," said Evelyn Fox Keller, the theoretical physicist and science author, whose speech detailed the imminent completion by biologists of the human genome project.
"I wonder about things like oversight and safety," says physicist and science historian David Kaiser of MIT in relation to crowd funding.
Those paying tribute to John Marburger, a physicist and science adviser to President George W. Bush who died last week of cancer at the age of 70, say that their respect for the man far overshadows any criticism of his boss.
To paraphrase the German theoretical physicist Max Planck, "Science can't solve everything".
Another tack has been taken by physicist and science writer John Gribbin.
