Speakers include internationally-known theologians Dr. Janet Smith and Dr. Michael Waldstein. Most Rev. Robert Carlson of Saginaw will be the Mass celebrant and homilist.
(Via Thomas Peters).
On that note, see also an impressive roundup of articles and resources on Humanae Vitae by Teófilo de Jesús (Vivificat), to aid in the study, understanding and application of the Church's teaching.