April 23 is the birthday of Frederic Ozanam, the founder of the Society of St. Vincent de Paul.

From the St. Vincent de Paul Society of Australia:
Paris of the early 19th century was in the grip of great upheavals. During and following the French revolution 1788-1799, Paris was profoundly affected by social unrest. A new type of society was being formed – a republic based on liberty, equality and fraternity.A young student, Frederic Ozanam had to walk through the poorer suburbs on his way to university lectures each day and he soon became deeply moved at the hopeless state of families who had been left without the support of their breadwinners after [a cholera] epidemic [had] swept through Paris killing up to 1200 people each day.It was the taunt of an anti-religious opponent in a debating society founded by the students that stung him to action…

Learn more about Blessed Frederic– truly ahead of his time– in the SlideShare presentation below.