Who was the first person to be buried in st Paul's cathedral?

The first person to be buried in St. Paul's Cathedral was Sir Christopher Wren, the cathedral's architect, following his death in 1723. However, the first burial within the cathedral's crypt was actually of a notable figure, the soldier and politician, Sir John Vanbrugh, who was interred in 1726. Wren's burial is significant as it symbolizes the culmination of his life's work in designing the iconic structure.