then, we'll talk about some paintings that he did for the pan pacific exposition? >> yes, and then, saints peter and paul. >> so, we're going to take a short break and we'll be coming back with more and this time, we'll bring pictures. ♪ ♪ ♪ [ male announcer ] your glass of tap water can go farther than you think. just $1 for tap water can help unicef provide clean, safe water for 40 kids in need. ♪ >>> how old was he when this picture was taken? >> this was in about 1949. he was working on the church of saint's peter and paul. >> you've been tracing his works and you found about 250 of them? >> we've identified about 250 of them including the ones that were lost over the years. >> well, this is george westleck. we welcome you to mosaic. we're continuing our conversation with joe and teri about the works of hector serboroli. we'll look at a few of the art works. mainly, these are the stations of the cross at mission san rafel. teri, can you give us a setting on that? you know, how old the mission is and kind of how he got involved there? >> well, i know that joe ob