The primitive visionary as the first avant-garde melancholic:

"This gene, this melancholy gene, has proved the code for innovation... We can picture this in the primitive world. While the healthy bodies of the tribe were out mindlessly hacking beasts or other humans, the melancholy soul remained behind brooding in a cave or under a tree. There he imagined new structures, oval and amber, or fresh verbal rhythms, sacred summonings, or songs superior to even those of the birds. Envisioning these things, and more, this melancholy malingerer became just as useful for his culture as did the hunters and the gatherers for theirs. He pushed his world ahead. He moved it forward. He dwelled always in the insecure realm of the avant-garde."

(via)