The textbook Conduction of Heat in Solids, co-authored with John Conrad Jaeger, remains a standard reference in applied mathematics decades after its original publication. Horatio Scott Carslaw, a mathematician and university teacher, left a lasting mark on the University of Sydney, where he held the Chair of Pure and Applied Mathematics for over three decades until his retirement in 1935.
Academic Foundations and Early Career
Born in 1870 in Helensburgh, Scotland, Carslaw received his early education at The Glasgow Academy. He went on to attend Cambridge University and subsequently earned a doctorate at the University of Glasgow. His professional path included a period as a lecturer at the University of Glasgow and a fellowship at Emmanuel College. In 1901, he attained the status of Fellow of the Royal Society of Edinburgh.
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In 1902, Carslaw relocated to Australia. By 1903, he secured the position of Professor and Chair of Pure and Applied Mathematics at the University of Sydney, succeeding Theodore Thomas Gurney. He maintained this role until 1935. His legacy at the institution is physically marked by the Carslaw Building, which was completed in the 1960s to house the School of Mathematics and Statistics.
Mathematical Contributions and Publications
Carslaw specialized in Fourier series, applied physics, and the mathematical theory of heat conduction. His written output included 'An introduction to infinitesimal calculus' in 1905 and 'The Elements of Non-Euclidean Plane Geometry and Trigonometry' in 1916. His collaborative efforts with John Conrad Jaeger were particularly significant, resulting in 'Operational methods in applied mathematics' and his seminal work on heat conduction.
Retirement and Final Years
Upon his retirement in 1935, Carslaw moved to Burradoo, New South Wales. He continued his academic work from his residence there for nearly two decades. Following his death in 1954, he was buried at the Bowral General Cemetery in New South Wales.
Fast facts
- Born: 1870, Helensburgh
- Died: 1954, Burradoo
- Education: The Glasgow Academy
- Primary Employer: University of Sydney (1903-1935)
- Key Publication: Conduction of Heat in Solids
- Citizenship: United Kingdom and Australia
- Burial Site: Bowral General Cemetery
Questions readers ask
What were the primary fields of work for Horatio Scott Carslaw?
He focused on mathematics, applied mathematics, Fourier series, and applied physics.
Where is the building named after him located?
The Carslaw Building is situated at the University of Sydney.
Achievements
- Notable work: Conduction of Heat in Solids
- Held posts at University of Sydney and University of Glasgow
- Fields: mathematics, applied mathematics and applied physics



