found Mr William Cullen Bryant in my last 2 books!

portrait of William Cullen Bryant 1851....recent references in my reading:
The Last Gunfight The Real Story of the Shootout at the O.K. Corral-And How It Changed the American West by Jeff Guinn "A series of literary nights kicked off in Tombstone with Mrs Charles Hudson reciting William Cullen Bryant's "Thanatopsis" to an appreciative crowd."

1861 The Civil War Awakening by Adam Goodheart
"Wherever our flag floats," cried William Cullen Bryant in his Evening Post
"it is the flag of slavery."

On the front page of the Boston Evening Transcript, a brand new poem by William Cullen Bryant, America's most revered literary figure...."Slaves but yestereve they were/ Freeman with the dawning day."