Portrait of Ludwik Rydygier with his assistants.

Portrait of Ludwik Rydygier with His Assistants, painted in 1897, is one of the most ambitious group portraits in Wyczółkowski's career, depicting one of the most celebrated Polish surgeons of the nineteenth century surrounded by his medical team. Ludwik Rydygier (1850–1920) was a pioneer of gastrointestinal surgery who performed the first successful gastrectomy in 1881 and was one of the leading figures in Polish medicine. Group portraits of professional figures — doctors, scientists, professors — had a distinguished European tradition reaching back to Rembrandt's anatomy lessons, and Wyczółkowski's composition engages consciously with that lineage. The painting serves simultaneously as a record of medical achievement and an assertion of Polish professional culture despite partition, documenting an intellectual elite that maintained the continuity of Polish national life.

The group portrait format requires careful orchestration of multiple figures in a single pictorial space while maintaining individual characterization. Wyczółkowski organizes the composition to give Rydygier central prominence while ensuring the assistants are individually distinguished rather than subordinated to a background crowd.