Riga Cathedral
Caspari was born in Riga, in Swedish Livonia, as the son of David Caspari, rector of Riga Cathedral. He studied at the University of Rostock, where he published "De Descensu Christi ad Inferos" in 1704 and "De Testamentis Divinis" in 1705. Caspari also published some of his father's papers after his death in 1702. After living for a while in Greifswald, Caspari returned to Riga in 1723 and served at the cathedral. He died in his hometown.