Stewart’s Newsletter is published on Substack. The Newsletter covers a range of topics, but there is a theme: the practical application of psychological insights.
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Some popular examples:
| A review of Jacinda Adern’s A Different Kind of Power (June 2025) | Here |
| The far-reaching impact of Winston Churchill’s mental schemas (November 2024) | Here |
| The positive and negative impact of “non-normal” individuals (July 2024) | Here |
| Henry VIII; A royal narcissist (February 2024) | Here |
| The strange beliefs and practices of personality testing (2022) | Here |