From one particular piece of the sky an unclassifiable signal sometimes recurred and my brain started to say: “You’ve seen something like this before, haven’t you? You’ve seen something like this before from this bit of the sky , haven’t you?” I got out previous recordings from that bit of sky. It often wasn’t there, but when it was, it was keeping its place amongst the stars.

The way I often find what I’m going to write next is by writing.

I don’t think that is tough, because if you have an idea of something meaningful to communicate, you can move forward on that. You might not be successful in communicating what you want to communicate, but at least you have an idea of something that needs to be said, or something that you think should be said, and I think you go from there.

Choosing parts is based on a series of instincts and hunches

Professors are writing more proposals chasing less research money, which reduces the time available for creative thinking.

I have had students and postdocs of the first class close to four hundred people.

The great singer Um Kulthum (actually named Kawkab Elsharq – a superstar of the East) had a major influence on my appreciation of music. On the first Thursday of each month we listened to Um Kulthum's concert – "waslats" (three songs) – for more than three hours. During all of my study years in Egypt, the music of this unique figure gave me a special happiness, and her voice was often in the background while I was studying mathematics, chemistry… etc. After three decades I still have the same feeling and passion for her music.

I am not one of the new media experts working all the time with my computers and the PowerPoint’s and things of that sort. So, I’m an old fashioned still in this regard but these are the moment where I really can be creative, if I am, to be left alone with just a book and piece of paper and to be thinking.

I like simplicity. To me, this is very, very important, whether I am dealing with science or dealing with people.

I’m so pleased, because Caltech’s name is there as the pioneer of this whole technology…I’m proud of them.