Who created "The Conversion of Saint Paul"?

The Conversion of Saint Paul was created by Giorgio Vasari in 1554.

What medium is "The Conversion of Saint Paul"?

The Conversion of Saint Paul is Pen and brown ink, brush and brown wash, with splatters of gray, green and pink paint over black chalk, squared in black chalk, on cream laid paper, with framing lines in pen and brown ink, laid down on secondary paper.