Who started the brain trust?

Who was the visionary behind the inception of the brain trust? Did it originate from a single individual's brilliant idea, or was it a collective effort of a group of individuals who saw the potential in pooling their expertise and intelligence to tackle complex challenges? Was there a particular event or catalyst that sparked the formation of this elite group? And what qualities or characteristics did the founder(s) possess that enabled them to assemble such a formidable assembly of minds?