Simplify the following text for a Grade 13 native English-speaking person.
Original: In the twentieth century , literary scholar Kermit Vanderbilt noted , `` Increasingly rare is the scholar who braves ridicule to justify the art of Longfellow 's popular rhymings . ''
Simplified: In the 20th century , literary scholar Kermit Vanderbilt noted , `` Increasingly rare is the scholar who braves ridicule to justify the art of Longfellow 's popular rhymings . ''