Question: Which Argentine economist,lawyer, politician, and military leader headed The Army of the North and created the flag of Argentina?

Context articles: Martín Redrado
Javier González Fraga
Alfonso Prat-Gay
Rogelio Frigerio
Domingo Cavallo
Manuel Belgrano
Army of the North
Guillermo Dietrich
Eduardo Levy Yeyati
Adolfo Diz

Hernán Martín Pérez Redrado (born September 10, 1961) is an Argentine economist and policy-maker.
 He served as President of the Central Bank of Argentina between September 2004 and January 2010.
Javier González Fraga (born May 12, 1948) is an Argentine economist and businessman.
 He served as President of the Central Bank of Argentina from 1989 to 1991, and was nominated as running-mate by Ricardo Alfonsín for his 2011 campaign for the Presidency.
Alfonso Prat-Gay (born November 24, 1965) is an Argentine economist and politician.
 Following the election of Mauricio Macri to the presidency on November 22, 2015, he became the Minister of the Economy of Argentina.
 He was also President of the Central Bank of Argentina from December 2002 to September 2004, and was elected Congressman for the Civic Coalition in the 2009 elections.
Rogelio Frigerio (born January 7, 1970, Buenos Aires) is an Argentine economist and politician, grandson of the economist and politician Rogelio Julio Frigerio(1914-2006).
 He was the President of Bank of the City of Buenos Aires between 2013 and 2015.
 Like his grandfather, he supports developmentalism, being one of the referents of the Integration and Development Movement (MID).
Domingo Felipe "Mingo" Cavallo (born July 21, 1946) is an Argentine economist and politician.
 He has a track record of public service and is known for implementing the "Convertibilidad" plan, which fixed the dollar-peso exchange rate at 1:1 between 1991 and 2001.
 This brought the Argentine inflation rate down from over 1,300% in 1990 to less than 20% in 1992 and nearly to zero during the rest of the 1990s.
 Guided by his politics, Argentina entered into one of the most difficult crisis in its history.
 He is also well known for implementing the "corralito", which restrained Argentine citizens from withdrawing money from their bank accounts.
 This was followed by the December 2001 riots and the fall of President Fernando de la Rúa.
 In 2015, he was sentenced for embezzlement, following an appeal.
 A definitive sentence still awaits.
Manuel José Joaquín del Corazón de Jesús Belgrano (3 June 1770 – 20 June 1820), usually referred to as Manuel Belgrano, was an Argentine economist, lawyer, politician, and military leader.
 He took part in the Argentine Wars of Independence and created the Flag of Argentina.
 He is regarded as one of the main "Libertadores" of the country.
The Army of the North (Spanish: "Ejército del Norte" ), contemporaneously called Army of Peru, was one of the armies deployed by the United Provinces of the Río de la Plata in the Spanish American wars of independence.
 Its objective was freeing the Argentine Northwest and the Upper Peru (present-day Bolivia) from the royalist troops of the Spanish Empire.
 It was headed by Hipólito Vieytes (1810), Juan José Castelli (1810–1811), Juan Martín de Pueyrredón (1811–1812), Manuel Belgrano (1812–1814), José de San Martín (1814), José Rondeau (1814–1816), Manuel Belgrano (1816–1819) and Francisco Fernández de la Cruz (1819-1820).
Guillermo Dietrich (born March 5, 1969) is an Argentine economist and politician, currently the Minister of Transport of Argentina appointed by President Mauricio Macri.
Eduardo Levy Yeyati (born November 14, 1965) is an Argentine economist and author.
 He teaches at the School of Economics of Universidad de Buenos Aires and at Universidad Torcuato Di Tella's School of Business.
 He is also a founding Partner at Elypsis, an economic research firm that he founded in 2011.
 Since March 2016, he is the honorary president of the Council of Production at the Argentina´s Ministry of Production and the director of the Program Argentina 2030 at the Chief of Cabinet Office.
Adolfo César Diz (May 12, 1931 – October 12, 2008) was an Argentine economist who served as President of the Central Bank of Argentina from April 1976 until March 1981.