How could recording people having sex be 'for science'? Same question for sleeping with your colleagues? Well, these were just two of the practices embraced by the subject of today's conversation.

Donna Drucker is returning to the podcast to discuss pioneering sexologist, Alfred Kinsey. Donna, from Columbia University, is author of The Classification of Sex.

This episode was edited by Nick Thomson. The producer was Sophie Gee. The senior producer was Charlotte Long.

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All music from Epidemic Sounds.

Betwixt the Sheets: History of Sex, Scandal & Society is a History Hit podcast.