Every football player wants a shot on goal so perfect that fans will be replaying the moment for decades. Every songwriter wants their song sung in pubs generations after they first sang it. Every mathematician wants to prove a truly deep theorem that will last forever. Every academic wants to write a paper so fundamental to an area of study that future scholars can’t call themselves educated in that area unless they’ve read it. Michael Kalecki was a Polish economist and social scientist, most active in the 1930s and 1940s. He was a truly brilliant scholar, someone whose ideas were…