July
- Article about Geordie Williamson in The Sydney Morning Herald (13 July): “Maths prodigy comes home to establish $5 million world-class maths centre”
- Feature article in The Sydney Morning Herald (21 August): “Australian mathematician becomes Royal Society’s youngest Fellow”
August
- Article about Geordie Williamson in Campus Morning Mail (21 August): “In Conversation With: Geordie Williamson”
November
- The Science Show with Robyn Williams episode feat. Sophie Calabretto (17 November): “University of Sydney opens new mathematics research institute”
- Article in The Sydney Morning Herald (12 November): “Sydney University launches $6.5 million Global Mathematics Institute”
- University of Sydney article (12 November): “Global mathematics institute launched at the University of Sydney”
December
- Conversations with Richard Fidler, Sarah Kanowski feat. Geordie Williamson (4 December): “Life in 248 dimensions”
- Profile in Virgin Australia Voyeur (1 December): “Stars of 2018: Geordie Williamson” (p144)