Vannevar Bush

Vannevar Bush, was an American engineer and inventor who made important contributions to the field of computing. He is most known for his development of the Differential Analyzer, an analog computer that was used to solve differential equations. Additionally, he wrote a seminal essay, "As We May Think," which predicted many aspects of future technology, including hypertext, personal computers, the internet, and search engines. However, his contributions came later in the timeline of the development of computing technology, mainly in the mid-20th century.

Developed the concept of the memex, a hypothetical machine that anticipated the World Wide Web, and proposed the idea of a collective knowledge base, inspiring future information retrieval and storage systems. His visionary work laid the foundation for modern hypertext and information science.

Vannevar Bush was an American engineer, inventor and science administrator, who during World War II headed the U.S. Office of Scientific Research and Development (OSRD), through which almost all wartime military R&D was carried out, including important developments in radar and the initiation and early administration of the Manhattan Project. He emphasized the importance of scientific research to national security and economic well-being, and was chiefly responsible for the movement that led to the creation of the National Science Foundation.

• Bush was a well-known policymaker and public intellectual during World War II, when he was in effect the first presidential science advisor.