The image shows a portrait of a man identified as Alexander Ross, depicted from the waist up seated behind a desk. His arms are resting on an open book, and he holds a quill in his right hand. He has a full beard and mustache, wavy shoulder-length hair, and prominent facial features. Ross is dressed in an academic or ecclesiastical robe with a ruffled white collar. The background features a detailed library setting with shelves of books, drawn curtains, and two globes in front of his desk.