Mr. MICHAEL GRIFFIN (NASA): I get an enormous amount of outside advice and actually, I listen to it.

NPR: Budget Cuts Trigger NASA Resignations

But NASA's administrator Michael Griffin says he hears criticism all the time.

NPR: Budget Cuts Trigger NASA Resignations

In April, the previous Nasa chief, Dr Michael Griffin, joined the University of Alabama in Huntsville as a professor of aerospace and mechanical engineering.

BBC: Obama names US space agency chief

In September Michael Griffin, the head of America's space agency, NASA, said he thought the Chinese would get to the moon before America returns.

ECONOMIST: China's space programme: Ni hao, Moon | The

Last September, in a sign of tentative warming between the two sides, Michael Griffin of NASA paid the first trip to China by a head of the American government's space agency.

ECONOMIST: China admits shooting down a satellite

"Typically a habitat is less than the cost of large rocketry, " Michael Griffin of NASA told AP, and successfully utilizing the native materials on the moon will be a crucial to creating a viable base there.

CNN: Mining the moon for a nuclear future

"Ozone would be a much better option, " says Michael Doyle, director of the Center for Food Safety at the University of Georgia in Griffin.

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