Giorgio Vasari's Lives In the Artists (1550) was the landmark biography focusing on secular lives. Vasari designed superstars of his subjects, as the Life turned an early "bestseller". The writer, critic and chair in the Countrywide Book Critics' Circle biography committee talks us through the books that produced their 2020 https://www.peppynet.com/pet_facility/pop_forword?url=http%3a%2f%2fadvertisesmart.com%2Fp%2FWhat-is-Supervised-and-Unsupervised-Lear%2F186