Author

Sidney Van den Bergh

1929

Sidney Van den Bergh (1929–2023) was a distinguished Canadian astronomer renowned for his contributions to galaxy morphology. He earned his Ph.D. from the University of Göttingen in 1956. Van den Bergh's credibility stems from his extensive research on galaxies and their classification. Besides "Galaxy Morphology and Classification," he co-authored "A Revised Shapley-Ames Catalog of Bright Galaxies" and contributed significantly to the understanding of the extragalactic distance scale. His work has been pivotal in advancing observational cosmology.