William H. Inmon

is an American computer scientist, recognized by many as the father of the data warehouse.
Inmon wrote the first book, held the first conference, wrote the first column in a magazine and was the first to offer classes in data warehousing. wikipedia
Bill currently lives in Colorado.
He has written around 57 books published in multiple languages. He has recently built technology on textual disambiguation – This technology enables the raw text-based data processing in a more usable and value-driven way that can be easily be analyzed by normal analytic engines technology, thereby creating unique business value for Big Data/unstructured data. Bill was named by Computer World as one of the ten most influential people in the history of the computer profession.