Lessons from the History of Physical Cosmology (Big Apple Colloquium)

I will review major steps to the establishment of the LambdaCDM cosmology, with particular attention to the many examples of ideas and lines of research that were introduced on more than one occasion, independently apart from our shared culture of physical science. I gather it took a sociologist, Robert Merton, to see that this is a phenomenon that deserves a name: "multiples in scientific discovery." I will propose lessons on the nature of our enterprise of natural science to be drawn from the many examples of this phenomenon in cosmology.

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