Who is the richest man in 1849?

Who is the richest man in 1849?
Andrew Carnegie

Spouse
Louise Whitfield ​ ( m. 1887)​

Children
Margaret Carnegie Miller

Parent(s)
William Carnegie Margaret Morrison Carnegie

Relatives
Thomas M. Carnegie (Brother) George Lauder (1st Cousin) George Lauder, Sr. (Uncle)

Andrew Carnegie
Spouse Louise Whitfield ​ ( m. 1887)​
Children Margaret Carnegie Miller
Parent(s) William Carnegie Margaret Morrison Carnegie
Relatives Thomas M. Carnegie (Brother) George Lauder (1st Cousin) George Lauder, Sr. (Uncle)