Back والتر ماير (عالم رياضيات) Arabic Walter Mayer Catalan Walther Mayer German Walther Mayer French Walther Mayer Italian Walther Mayer Portuguese Майер, Вальтер Russian
Walther Mayer (11 March 1887 – 10 September 1948) was an Austrian mathematician, born in Graz, Austria-Hungary. With Leopold Vietoris he is the namesake of the Mayer–Vietoris sequence in topology. He served as an assistant to Albert Einstein, and was nicknamed "Einstein's calculator".