Who among the following is a notable Omega in government and politics?

William Hastie is a notable Omega in the realm of government and politics primarily for his significant contributions to the judicial system and civil rights advocacy. As the first African American to be appointed as a federal judge in 1949, he played a crucial role in addressing issues of race and justice within the American legal framework. Serving as the governor of the U.S. Virgin Islands and later as a judge on the U.S. Court of Appeals for the Third Circuit, Hastie's work has had a lasting impact not only within the Omega Psi Phi fraternity but also in the broader context of American civil rights and legal practices.

His legacy is highlighted by his commitment to fighting discrimination and promoting equality, making him a significant figure representing Omega Psi Phi in government and politics. This deep involvement distinguishes him from other figures in the provided options, whose contributions are more associated with literature and music rather than direct political influence.