Analysis of information sources in references of the Wikipedia article "Rudolf E. Kálmán" in English language version.
For his fundamental contributions to modern system theory, which provided rigorous mathematical tools for engineering, econometrics, and statistics, and in particular for his invention of the "Kalman filter," which was critical to achieving the Moon landings and creating the Global Positioning System and which has facilitated the use of computers in control and communications technology
For his fundamental contributions to modern system theory, which provided rigorous mathematical tools for engineering, econometrics, and statistics, and in particular for his invention of the "Kalman filter," which was critical to achieving the Moon landings and creating the Global Positioning System and which has facilitated the use of computers in control and communications technology
