Ivar Jacobson created the first use case model in 1987 while working at Ericsson. It started as a tool for developing complex ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Chemical engineers develop products and processes that improve the well-being of humanity and touch every aspect of our lives. From discovering new materials and developing new vaccines to solving ...