Foreign alumni include the President of Colombia 1922–1926, (Pedro Nel Ospina Vázquez, BA, Mining Engineering); the President of Mexico (Francisco I. Madero, attended 1892–93); the President and Prime Minister of Pakistan; the Premier of the Republic of China (Sun Fo, BA); the President of Costa Rica (Miguel Angel Rodriguez, MA, PhD); and members of parliament of the United Kingdom (House of Lords, Lydia Dunn, Baroness Dunn, BS), India (Rajya Sabha, the upper house, Prithviraj Chavan, MS); Iran (Mohammad Javad Larijani, PhD); Nigerian Minister of Science and Technology and first Executive Governor of Abia State (Ogbonnaya Onu, PhD Chemical Engineering); Barbados' Ambassador to Brazil (Tonika Sealy-Thompson).