Marius Hendrikus Flothuis (1914-2001) was a Dutch composer, conductor, and musicologist known for his contributions to classical music. His work largely spanned the 20th century, and he is recognized for his compositions that blend traditional elements with contemporary techniques. Flothuis's musical output includes orchestral works, chamber music, and choral compositions. Notable works include his "Symphony No. 2" and "Concerto for Violin and Orchestra," which showcase his lyrical style and intricate orchestration. He also composed for various ensembles, reflecting his versatility as a composer. In addition to his compositions, Flothuis was influential in the Dutch music scene as a conductor, leading several prominent orchestras. He held significant positions at the Dutch Radio Symphony Orchestra and was involved with the Netherlands Radio Union. Flothuis's impact on music extended to music education and scholarship, as he published several articles on music theory and history. His dedication to promoting Dutch music and nurturing future generations of musicians solidified his legacy within the classical music community in the Netherlands and beyond.