I cannot think of a greater symbol of human resistance and courage than our Nobel laureate colleague Andrei Sakharov.

After forty years in the lab, I was asked in 1991 to become president of The Rockefeller University. Unlike a working scientist, being president for seven years provided an opportunity to interact with scientists in many different fields and broadened my scope of the natural sciences.

In the early Sixties, having begun to describe the physiology of cells in the adult cat visual cortex, David Hubel and I decided to investigate how the highly specific response properties of cortical cells emerged during postnatal development.

Innate mechanisms endow the visual system with highly specific connections, but visual experience early in life is necessary for their maintenance and full development. Deprivation experiments demonstrate that neural connections can be modulated by environmental influences during a critical period of postnatal development.

I really believe in science. It is a faith. It is a reverence akin to religion. But as we always say, it's different from religion in that, as near as we can tell, it exists outside of us. It has an objective quality, the process of science.

Scientific understanding is often beautiful, a profoundly aesthetic experience which gives pleasure not unlike the reading of a great poem.

My interest is that there is a disconnect between the science and the size of the threat that people mention about nature, the planet and the climate, and the emotion that this triggers. So we are supposed to be extremely frightened people, but despite that we appear to sleep pretty well.

In the male homosexual community, we love to label and categorize and organize each other as if we are in a never-ending high school biology class.