Did artists and writers like Jackson Pollock and Gertrude Stein engage in self-promotion?

Yes, both Jackson Pollock and Gertrude Stein engaged in self-promotion to varying degrees. Pollock was known for cultivating a public image of the tormented artist, while Stein actively promoted her literary works and hosted salons to showcase her writing and support other artists. Both used their personalities and networks to advance their careers and gain recognition in their respective fields.