This book celebrates scientists who are explorers of the vast arrays of genes (genomes) that underpin the biology of humans and every other organism. The drawings are by the renowned Australian artist, Lewis Miller. Each is accompanied by an essay on the accomplishments and personality of the sitter, written by another distinguished scientist. This book portrays, in pencil and prose, 62 outstanding scientists who have had an extraordinary influence on our current understanding of biology, evolution, and medical science.