Document from the year 2023 in the subject Biographies, , language: English, abstract: Albert Einstein is one of the most known scientists. Therefore, it is surprising that one of his fatherly protectors, who had helped him to get enrolled at the prestigious polytechnical school (ETH) at Zurich, is poorly known: it is the authors great-grandfather Gustav Maier. He was born at Ulm, Germany, in 1844...