Anna Rossinelli, born on April 20, 1987, in Basel, is a Swiss singer-songwriter known for winning the Swiss national final for the Eurovision Song Contest in 2010 and releasing successful albums like "Bon Voyage" and "Marylou." She maintains her Basel roots while preparing for her 2023 album "Mother" and tour. See wikipedia for more information. Karl Alexander Müller, born in Basel, Switzerland, on April 20, 1927, was a physicist who won the Nobel Prize in Physics in 1987 for his work on high-temperature superconductivity, contributing significantly to the field from his Basel origins. See wikipedia for more information.