I grew up on the south side of Chicago in the 1960s, and I think there was a synchronicity of events that… — John M. Grunsfeld Copy Share Image
The '60s were a remarkable time because several things were happening at once. Men were leaving planet Earth, kids were breaking into… — John M. Grunsfeld Copy Share Image
The Hubble Space Telescope, which was designed for extreme servicing, you know, we can fix everything. And the James Webb Space Telescope,… — John M. Grunsfeld Copy Share Image
I have dedicated my life to answering the great scientific questions of our time and to the incredible adventure of space exploration. — John M. Grunsfeld Copy Share Image
All indications are that three and a half billion years ago, Mars looked like Earth. It had lakes. It had rivers. It… — John M. Grunsfeld Copy Share Image
All space exploration is risky. As an astronaut, I had to decide each and every time I went to space whether or… — John M. Grunsfeld Copy Share Image
I believe that the future of humans, and the future of Earth, depends on space exploration. That's not a French problem, or… — John M. Grunsfeld Copy Share Image
I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life. — John M. Grunsfeld Copy Share Image
Sciences are being unified by the search for life in the universe. — John M. Grunsfeld Copy Share Image
The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We… — John M. Grunsfeld Copy Share Image
At the age of six, I declared that I wanted to be an astronaut. My mother thought that was just fine, as it would… — John M. Grunsfeld Copy Share Image
I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope. — John M. Grunsfeld Copy Share Image
Hubble uniquely has been able to look in the atmosphere of a planet orbiting a nearby star and figure out what's in that atmosphere. — John M. Grunsfeld Copy Share Image
I see no difference between scientific exploration and human exploration. — John M. Grunsfeld Copy Share Image
Being an astronaut, there are not a lot of things that have really shocked me in my life. — John M. Grunsfeld Copy Share Image
I kind of feel like I found my cause in life servicing the Hubble Space Telescope. — John M. Grunsfeld Copy Share Image
