Patrick Augustus Mervyn Manning was a Trinidadian politician who served as the fourth prime minister of Trinidad and Tobago twice from 1991 to 1995, and again from 2001 to 2010. A geologist by training, Manning served as Member of Parliament for the San Fernando East constituency from 1971 until 2015 when he was replaced by Randall Mitchell, but with the seat in 2020 being won by his son Brian Manning. Patrick Manning was the longest-serving member of the House of Representatives. He was the Leader of the Opposition from 1986 to 1990 and again from 1995 to 2001.