Jeremiah P. Ostriker — American Scientist born on April 13, 1937,

Jeremiah Paul Ostriker is an astrophysicist and a professor of astronomy at Columbia University and is the Charles A Young Professor Emeritus at Princeton where he also continues as a Senior Research Scholar. Ostriker has also served as a University administrator as Provost of Princeton University... (wikipedia)

If you take a galaxy and try to make it bigger, it becomes a cluster of galaxies, not a galaxy. If you try to make it smaller than that, it seems to blow itself apart.
Biology has tended to be an observational science, and deriving things from first principles has not been possible in the past, but I hate to predict the future on that.