He was educated as a classic historian at the University of Oslo. After his elder brother Georg Sverdrup Dahl died in 1922, he saw himself obliged to continue the advertising agency his brother had established, Sverdrup Dahl A / S.  His success in business enabled him to donate substantial sums in support of his strong interest in art, culture and enlightenment.
He received a classical history education at the University of Oslo. After his older brother Georg Sverdrup Dahl passed away in 1922, he felt compelled to carry on the advertising agency his brother had founded, Sverdrup Dahl A / S. His business success enabled him to generously support his passion for art, culture, and enlightenment.