Question: Who is the paternal grandfather of Anders Knutsson Ångström?
Sentence (from "Anders Knutsson Ångström"): He taught at the University of Stockholm Later, he was the department head of the Meteorology department at State Meteorological and Hydrological Institute (SMHI) of Sweden 1945–1949 and SMHI's chancellor 1949–1954.
Relevant evidence: No