Francis M. (Francis Maitland) Balfour

Born in Edinburgh on November 10, 1851, Francis Maitland Balfour became one of the most admired biologists of his generation while still very young. He studied at Cambridge, where his research in animal development quickly earned wide respect, and he was elected a Fellow of the Royal Society in 1878.

Balfour is best known for major contributions to embryology, especially comparative embryology—the study of how embryos develop across different kinds of animals. His investigations of sharks and other vertebrates, along with his influential Treatise on Comparative Embryology, helped make him a founding figure in the field and strengthened links between embryology and evolutionary thought.

His career was remarkably short. In 1882, while attempting an Alpine ascent near Mont Blanc, he was killed at just 30 years old. Even so, his scientific reputation remained so strong that he is still remembered as one of the outstanding zoologists and embryologists of the nineteenth century.