William Kellie Smith was a Scottish planter and businessman who is best known for building the Kellie's Castle in Malaysia. He arrived in the country in the early 1900s and became successful in the rubber plantation industry. His wealth allowed him to construct the castle as a tribute to his wife, but it was never completed. Smith's life took a mysterious turn when he disappeared in 1924 during a trip to India. His sudden disappearance left many questions unanswered, and the castle remains a popular tourist attraction, drawing visitors interested in its history and the legend surrounding Smith's life.