Thirteenth-century theologian, philosopher, and church leader, Robert Grosseteste was one of the most learned men and respected scholars of his time. Elected as the Bishop of Lincoln in 1235, a post he held until his death in 1253, Grosseteste was something of a polymath, exploring subjects ranging from the natural sciences (physics, cosmography, etc.) to pastoral care and speculative theology. More than 1000 medieval manuscripts of his works are scattered in libraries throughout Europe, and as a result there are immense challenges faced by editors who wish to provide modern critical...