Peace be with you!
St. Josemaría Escrivá de Belaguer was a priest who lived in the 20th century, surviving the Spanish civil war. God began, through him, the prelature of Opus Dei.
His works can be found here: http://www.escrivaworks.org/
His works and others relating to the spirituality of Opus Dei can be found here: http://www.scepterpublishers.org/
A website dedicated to Opus Dei in the world can be found here: http://www.opusdei.com/