Who has named sedimentation coefficient?

The sedimentation coefficient was named by the Swedish chemist Theodor Svedberg, who won the Nobel Prize in Chemistry in 1926 for his work on the ultracentrifuge and the study of sedimentation rates of particles in solution. The coefficient is a measure of the rate at which a particle sediments under the influence of centrifugal force, providing insights into the size and shape of macromolecules.