Alexander Ludwig von Muralt (August 19, 1903 – May 28, 1990) was a Swiss physiologist who studied the biochemistry of muscles and nerve signals.
His father Ludwig von Muralt and his mother Florence Watson where both physicians working on psychiatry in the University of Zurich.
After the birth of Ludwig, his father developed tuberculosis and he moved to the sanatorium of Davos-Dorf where he shifted interest from psychiatry to lung disease.
Ludwig worked on using light scattering in muscles to study anaerobic contractions and received an MD summa cum laude, in 1932.
[1] He then became involved in the Swiss National Science Foundation founded in 1952 as well as directed the High Altitude Research Station at Jungfraujoch (3475 meters above sea level).