Alfred Hershey

When I began playing around at being a physical chemist, I enjoyed very much doing work on the structure of DNA molecules, something which I would never have dreamed of doing before I started.

Physical studies of DNA had, of course, been under way for some years before analysis of virus particles began.

Of course there are depressing periods when nothing appears to be happening. But whenever anything was happening, and even when nothing was happening, it was fun just to do phage experiments.

It is hardly surprising that women concentrate on the way they look instead of what is in their minds since not much has been put in their minds to begin with.

After all, we are not French and never can be, and any attempt to be so is to deny our inheritance and to try to impose upon ourselves a character that can be nothing but a veneer upon the surface.