 He was deeply interested in using mathematics and economics in agriculture, and he learned calculus as part of an effort to understand hog prices.He also wrote an influential article with pioneering statistician George W. Snedecor on computational methods for correlations and regressions After the death of his grandfather in 1916, Wallace became the co-editor of "Wallace's Farmer" alongside his father.In 1921, Wallace assumed leadership of the family paper after his father accepted appointment as secretary of agriculture under President Warren G. Harding.