Bowlby
1907–1990 · UKAttachment theory
Bowlby shaped discourse on inter-sibling competition and jealousy through research and public writing.
Sibling Rivalry drew researchers from psychology, paediatrics, education, and anthropology.
Eight influential figures below span theory, clinical work, and global policy.
Eight guides worth knowing
Steinberg
b. 1952 · USAdolescent brain
Steinberg shaped discourse on inter-sibling competition and jealousy through research and public writing.
Mark Hinkley
b. 1970s · AustraliaScreen time research
Mark Hinkley shaped discourse on inter-sibling competition and jealousy through research and public writing.
Ainsworth
1913–1999 · USStrange Situation
Ainsworth shaped discourse on inter-sibling competition and jealousy through research and public writing.
Faber & Mazlish
20th c. · USParent communication
Faber & Mazlish shaped discourse on inter-sibling competition and jealousy through research and public writing.
John Gottman
b. 1942 · USEmotion coaching
John Gottman shaped discourse on inter-sibling competition and jealousy through research and public writing.
Baumrind
1927–2018 · USParenting styles
Baumrind shaped discourse on inter-sibling competition and jealousy through research and public writing.
Jane Nelsen
b. 1940 · USPositive Discipline
Jane Nelsen shaped discourse on inter-sibling competition and jealousy through research and public writing.
Together they moved sibling rivalry from opinion columns toward evidence-informed frameworks still debated today.
Keep exploring
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