Ernst Julius Berg

Ernst Julius Berg was born in Östersund, Jämtland County in Sweden.

After graduating from the Royal Institute of Technology in Stockholm in 1892, he immigrated to the United States.

He began working as an assistant to Charles Proteus Steinmetz at General Electric.

Berg remained as department head until June 1913, when he resigned and returned to his former positions with General Electric Company and with Union College.

In the field of theoretical analysis of electrical circuits, he popularized Oliver Heaviside's technique of operational calculus.