He was an important investor in the nation's first major railroad, the Baltimore and Ohio RR.
At the time of his death, he owned $2.25 million worth of stock in the railroad.
He was instrumental in developing Baltimore's business community by helping open channels
of commercial trade between the city and other areas of the United States, and by erecting buildings
and warehouses.
At the time of his death, Johns Hopkins was a stockholder in every large bank in Baltimore
and many of the smaller ones. He owned $1 million worth of bank stock. His obituary stated
"...he accomplished much good for the business community by his influence in nerving them up
in times of stringency and panic."
When Hopkins died, his nearly $8 million bequest was the largest philanthropic bequest in
U.S. history. His bequests furthered his interests in humanity and education by providing funds
to establish and maintain.
The Johns Hopkins Hospital, which would include a school of nursing on the site of
old Maryland Hospital for the Insane.
The Johns Hopkins University, with scholarships for poor and deserving students
from Md. and Va.
An asylum designed to care for 300-400 orphaned African-American children.