Christ the King, 1102 Hart Road, Towson; 9 a.m.; $10; Baltimore Guild-Catholic Medical Association presents “By Faith We Understand: A Biochemical Engineer’s Journey of Faith” with Natasha Wilson, coordinator of education and outreach in archdiocese’s Office Of Respect Life; talk follows Mass celebrated by Father Michael DeAscanis, BGCMA chaplain; RSVP by June 3; baltguildcma@gmail.com or 202-256-9987