His existence was first mentioned on a terminal entry, 9th September, 2100; he was due to be born on the 5th March, 2101. He died due to complications during delivery. Randall gave Sylvie anesthetic to put her out while he attempted a cesarian section. He was too late and Micheal died along with his mother, Sylvie, who never regained consciousness.
Michael Clark is only mentioned in Honest Hearts.