How much money did Hollerith make off of shares from his tabulating machine company?

Herman Hollerith significantly profited from his tabulating machine company, which played a crucial role in the efficiency of data processing during the early 20th century. His innovations laid the foundation for modern data processing and were particularly instrumental during the 1890 U.S. Census, leading to a considerable demand for his machines.

The success of the company translated into substantial financial returns, especially after it became part of larger entities like the International Business Machines Corporation (IBM). By the time Hollerith's company had fully established itself and expanded its operations, the earnings from shares had reached over $1 million. This figure represents a combination of his initial investments and subsequent growth in the valuation of his company as it secured a vital niche in the market.

The chosen answer captures the financial outcome of Hollerith's successful venture, emphasizing the significant impact and profitability of his innovations in the field of data processing.