An English sociologist and theorist of late modernity, whose ideas about "pure relationships" and "plastic sexuality" provide a sociohistorical framework for understanding modern relationships.

An American psychologist and a founder of the relational school of psychoanalysis, offering a vocabulary to discuss the tensions between security and novelty in romantic relationships.

An American psychologist whose work on sexual fantasies as creative solutions supports Perel's views on the healthy role of fantasy in sexuality.

An American psychiatrist at Columbia University, providing insights into romantic love and desire, emphasizing their psychological importance over triviality.

A clinical psychologist known for the concept of "differentiation," which highlights the importance of maintaining individuality while being emotionally connected to a partner.

An American biological anthropologist at The Kinsey Institute, whose research on the neuroscience of love differentiates between lust, romantic attraction, and attachment.

A British psychoanalytic writer, whose ideas about monogamy and the necessity of a "third" presence energize discussions on rethinking fidelity and sustaining desire.