Who is Brother Lawerence from The Practice of the Presence of God and what is their importance?

This collection includes conversations with and letters from Brother Lawrence. Born Nicholas Herman in 1610, Brother Lawrence begins his adult life in the army. He finally joins a new monastery in Paris, hoping to gain some self-control and coordination.

Brother Lawrence finds fulfillment in his religious life. He begins a daily habit of conversing with God, more than just during their daily prayer times. Others soon notice his unusual calm throughout life. He writes to friends about his tactics, though he pleads with them to share the letters with no one.