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24 April 2023 | Story Leonie Bolleurs | Photo Supplied
Corlé van der Walt received her honours degree in mathematics and applied mathematics. She wants to show students that mathematics is not necessarily difficult, but that it is logical and practical.

Mathematics is undeniably part of the world – from telling time, buying groceries, to manufacturing clothing sizes, and everything in between.

This is the view of Corlé van der Walt, Junior Lecturer in the Department of Mathematics and Applied Mathematics at the University of the Free State (UFS), who received her honours degree in mathematics and applied mathematics (with distinction) at the university’s April 2023 graduation ceremonies. 

The focus of her honours was on applied mathematics, specifically optimisation and dynamical systems. “These subjects link to my undergraduate degree, which is in industrial engineering,” says Van der Walt, who has always enjoyed and excelled in mathematics for as long as she can remember. 

Maths = skills +

She believes that mathematics is important because it helps us describe and value ourselves. “But still, mathematics is more than just the skills we learn; in the words of Albert Einstein, "Mathematics is, in its way, the poetry of logical ideas".

She says that mathematics is also the foundation for other sciences, such as physics, chemistry, and engineering. “Mathematics paves the way for all other forms of science. Without the computational groundwork, it will not be possible to do physics, chemistry, engineering, or any other form of science,” she adds, remarking that we will not be able to make scientific or technological progress.

“This is where I come in; I want to teach young upcoming students’ mathematics and the power of it. I want to show students that mathematics is not necessarily difficult, but that it is logical and practical. With my current qualification, I have already been appointed as a junior lecturer and I teach precalculus to university students who would like to take calculus,” she says.

A balancing act

Although she enjoys her work, Van der Walt finds it challenging to juggle work and studies. But she overcomes these obstacles by prioritising tasks and celebrating small achievements. Her motivation also comes from the joy of seeing her students understand concepts that they previously struggled with. 

With plans to complete her master's degree in the next two years and commencing her PhD studies, Van der Walt is committed to teaching the power of mathematics to upcoming students.

News Archive

Innovation the focus of 28th Sophia Gray Memorial Lecture
2016-09-06

Description: Stratford furniture design Tags: Stratford furniture design

Stratford never lost his passion for designing
furniture. Pictured here is some of his furniture
exhibited at the Oliewenhuis Art Museum.
Photo: Francois van Vuuren: iFlair Photography

Al Stratford, designer, inventor and architect, presented the 28th Sophia Gray Memorial Lecture on 25 August at the Reservoir at the Oliewenhuis Art Museum in Bloemfontein. The event, hosted by the Department of Architecture at the University of the Free State, was also the opening of an exhibition of Stratford’s work.

In his career of 40 years, Stratford has patented many products and won several awards in industrial design and architecture. He is known in South Africa for his development of innovative building technology such as the Winblok Precast Concrete Window System. In 2009 and 2010, he also served as president of the South African Institute of Architects.

The title of his lecture was: Reductive Innovation in Architecture. Throughout his career, Stratford endeavoured – through his designs and inventions – to apply the principle of “reduction” to the building material he used and technology he examined.

Stratford designs and builds smart buildings
Stratford says a home is the paradigm of self-expression. His career as architect started with the building of five houses in Gonubie, near East London. Everything he knew about architecture at that stage, he had taught himself by reading on the subject at the local library. Later on, he achieved great heights in his career by designing and building, among others, the Stratford Guesthouse; the sustainable and resourcefully designed campus buildings for the University of Fort Hare (an institutional building not utilising any electrical air-conditioning); the Edenvale Baptist Church; and a community hall.

His technology is widely used in the building industry

“The arrogance in me gets humiliated when I
see what other people and God has done.”


His technical drawing skills, acquired at an early age during his training as motor mechanic, are still practised years later, particularly in his inventions. Stratford is the inventor of technology commonly used in the building industry today. Of these, the Winblok window system which he patented in 1981, is one of his best known patents. The use of these windows is characteristic of many of the buildings he designed and built. Other technology he invented and patented, includes the Winstep stairs, the Windeck flooring system, and the StratFlex furniture technology.

Furniture designs win him awards
He likes to quote architect Ludwig Mies van der Rohe: “A chair is a very difficult object. A skyscraper is easier.” Stratford started designing and manufacturing his own furniture and never lost this passion. In 2013, he won the Innovation Award at the Design Indaba for his “flat pack” furniture technology.

The humble Stratford – designer, inventor, industrialist, and architect – says he is simply playing around with God’s creation. “The arrogance in me gets humiliated when I see what other people and God has done.”

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