Star Trek's insight lay in the promise of going to the stars together, with well-defined stereotypes who could supply the emotional frame for the potentially jarring truths of these distant places.

It really helps if you know your subject matter immediately. I find that enormously useful because then you can concentrate on all the usual novelistic things - the character, the plot and so forth - and you don't have to spend an enormous amount of time learning another trade, essentially.

Electromagnetic theory and experiment gave us the telephone, radio, TV, computers, and made the internal combustion engine practical - thus, the car and airplane, leading inevitably to the rocket and outer-space exploration.

Nostalgia is eternal for Americans. We are often displaced from our origins and carry anxious memories of that lost past. We fear losing our bearings.

Los Angeles is an uncanny place to live. It has many science fiction qualities. For example, when I'm standing in line at the supermarket and I recognise the person in front of me, but I can't figure out how I know them. Suddenly, I realise I saw them in some random commercial six years ago.

Everything inspires me, but when it comes to chemistry, and when it comes to the ups and downs of relationships, that's what's real for people.

Just after graduation in 1966, like many of my contemporaries, I applied for research training at the National Institutes of Health. Perhaps because his wife was a poet, Ira Pastan agreed to take me into his laboratory, despite my lack of scientific credentials.

I've always really been into science, and in the last five years I've gotten into theoretical physics and the origins of the universe.