The Lazarus Experiment is the sixth episode of the third series of the
revived British science fiction television series Doctor Who. It was
broadcast on BBC One on 5 May 2007 and stars David Tennant as the
Tenth Doctor and Freema Agyeman as Martha Jones.In the episode,
Professor Richard Lazarus (Mark Gatiss) demonstrates an experiment at
his laboratory near Southwark Cathedral in Southwark where he renews
himself into a younger-looking man. The effects on Lazarus' DNA causes
him to change into a giant creature that sucks the life force from
other victims.According to the BARB figures this episode was seen by
7.19 million viewers and was the twelfth most popular broadcast on
British television in that week. Executive producer Russell T Davies
has stated that he directed writer Stephen Greenhorn to base this
episode on the typical Marvel Comics plotline: "a good old mad
scientist, with an experiment gone wrong, and an outrageous
supervillain on the loose." The Lazarus Experiment Biography, NetWorth, Height, Age, Weight, Family, Married, Son, Daughter