Final answer:
Louis Armstrong and F. Scott Fitzgerald were two prominent figures of the Jazz Age, Armstrong for his influential jazz music and Fitzgerald for his quintessential novels such as 'The Great Gatsby', both leaving lasting legacies.
Step-by-step explanation:
During the Jazz Age, which was also called the 'Roaring Twenties', a flourishing of African American literature, music, theater, and art known as the Harlem Renaissance took place. Two pivotal figures from this era who had a substantial impact in their respective fields were Louis Armstrong and F. Scott Fitzgerald. Louis Armstrong, a trumpeter and vocalist, played a vital role in popularizing jazz, a genre that became synonymous with the era. His innovative style influenced many other musicians and he became an iconic figure of jazz music. F. Scott Fitzgerald, on the other hand, was a literary figure whose novels, including 'The Great Gatsby,' epitomized the spirit of the Jazz Age, capturing the excesses and the disenchantment of the post-World War I generation. Both these artists not only defined the era in which they lived but also left enduring legacies that continue to influence music and literature today.