Trevor Acorn, a structural engineer with a background in structural masonry and restoration work, discusses the strength and durability of masonry, the role of aesthetics in building longevity, and the use of graphic statics in engineering. The conversation also covers load distribution in masonry walls, challenges with brick veneer, lintel design, different types of mortars, forces in masonry walls, and limitations of steel in masonry. It provides insights into the behavior of masonry structures and the importance of selecting appropriate materials and design techniques.