Who created "The Adoration of the Shepherds; verso: Sketches"?

The Adoration of the Shepherds; verso: Sketches was created by Maarten van Heemskerck in ca. 1532–37.

When was "The Adoration of the Shepherds; verso: Sketches" created?

This artwork was created ca. 1532–37.

The Adoration of the Shepherds; verso: Sketches is Pen and two hues of brown ink, brown-gray wash, heightened with white gouache; verso: black chalk.

Yes, The Adoration of the Shepherds; verso: Sketches is in the public domain and available for free download under CC0 license.

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Maarten van Heemskerck, ca. 1532–37