Mrs. (American English) or Mrs (British English; standard English pronunciation: / ˈ m ɪ s ɪ z /) is a commonly used English honorific for women, usually for those who are married and who do not instead use another title (or rank), such as Doctor, Professor, President, Dame, etc.In most Commonwealth countries, a full stop (period) is usually not used with the title.

Adrian Bejan is an American professor who has made contributions to modern thermodynamics and developed his constructal law. He is J. A. Jones Distinguished Professor of Mechanical Engineering at Duke University and author of the books Design in Nature, The Physics of Life, Freedom and Evolution and Time And Beauty: Why Time Flies And Beauty Never Dies