The Black Tulip

Main Characters and Their Development

• Cornelius van Baerle — the protagonist of the novel, a young and talented horticulturist who strives to cultivate the black tulip. He is imprisoned on false charges of treason but remains hopeful and continues his experiments even in confinement. His character evolves from a naive and trusting young man to a steadfast and determined individual ready to fight for his dream and justice.
• Rosa Gryphus — the jailer's daughter who falls in love with Cornelius and assists him in his quest to grow the black tulip. She shows courage and loyalty despite dangers and hardships. Rosa develops from a simple and modest girl into a resolute and selfless woman willing to do anything for her beloved.
• Isaac Boxtel — the main antagonist of the novel, Cornelius's neighbor and rival, who envies his success and seeks to thwart him. He informs on Cornelius, leading to his arrest. Boxtel is willing to resort to any treachery to achieve his goals, and his character remains negative throughout the novel.
• Cornelius de Witt — Cornelius van Baerle's uncle, a political figure who becomes a victim of political intrigue. His arrest and execution serve as a catalyst for the events leading to his nephew's arrest. Despite his tragic fate, he remains a symbol of honor and dignity.