Gustave Reese (1899-1977) was an influential American musicologist, known primarily for his contributions to the understanding of medieval and Renaissance music. While not a performer or composer in the traditional sense, Reese's work in music history and education has had a lasting impact on the field. His most notable work is "Music in the Middle Ages," published in 1954, which is regarded as a seminal text for scholars studying early Western music. In this book, Reese meticulously documents the evolution of music from antiquity through the late Renaissance, providing insights into the cultural and historical contexts of the time. Reese's scholarship emphasized the importance of historical perspective in musicology, influencing generations of music historians and educators. He also contributed to the field through his teaching at various institutions, including Columbia University, where he trained numerous students who would go on to shape music scholarship. Overall, Gustave Reese's dedication to historical musicology has made him a pivotal figure in expanding the understanding of early music and preserving its legacy for future studies.