Joel Dinerstein is a Professor of English at Tulane University and the author of five books on jazz, urban cool, and race, including the recent Jazz: A Quick Immersion (2020). He wrote the first history of urban cool, The Origins of Cool in Postwar America (2017), and an award-winning history of big-band swing, Swinging the Machine: Modernity, Technology, and African-American Culture (2003). He curated American Cool (2014), a major exhibit at the National Portrait Gallery. He was a jazz DJ on WWOZ-FM in New Orleans for a decade and is a consultant on jazz for Putumayo Records. He gave a Ted Talk entitled “Why Cool Matters” in 2015.