John Henry Holland

Also known as John H. Holland, John Holland, John Hollander

US university professor ,American scientist (1929–2015)

“Even though these complex systems differ in detail, the question of coherence under change is the central enigma for each.”
“With theory, we can separate fundamental characteristics from fascinating idiosyncrasies and incidental features. Theory supplies landmarks and guideposts, and we begin to know what to observe and where to act.”
“If we are to understand the interactions of a large number of agents, we must first be able to describe the capabilities of individual agents.”
“"nonlinear interactions almost always make the behavior of the aggregate more complicated than would be predicted by summing or averaging."”
“The multiplier effect is a major feature of networks and flows. It arises regardless of the particular nature of the resource, be it goods, money, or messages.”
“The recycling of resource by the aggregate behavior of a diverse array of agents is much more than the sum of the individual actions.”