Cahn retired from the business in 1879 .
After the fire , Joseph Spiegel and a partner named Jacob Cahn rebuilt the business , and by 1874 the company was prospering again under the leadership of the two men .
Jacob Cahn retired from the business in 1879 .
After the fire , Joseph Spiegel and a partner named Jacob Cahn rebuilt the business , and by 1874 the company was prospering again under the leadership of the two men .