Question: Foreign diplomat Arthur Gardner was a close confident of our 34th president who served for what years?

Context paragraphs:
34th Armoured Brigade (United Kingdom): The 34th Armoured Brigade was an armoured brigade of the British Army that saw active service in the Second World War.  It was formed in 1941 as the 34th Army Tank Brigade and subsequently redesignated as the 34th Tank Brigade in February 1945 and became part of the 79th Armoured Division.  It was equipped with Churchill tanks and provided close support for assaults by the infantry.  During the fighting in North-west Europe from July 1944 to May 1945 the brigade served with both the First Canadian Army and the British Second Army.  The brigade was disbanded in early 1946.

Andrés Avelino Cáceres: Andrés Avelino Cáceres Dorregaray (November 10, 1836 – October 10, 1923) served as the President of Peru three times during the 19th century, from 1881 to 1882 as the 34th President of Peru, then from 1886 to 1890 as the 36th President of Peru, and again from 1894 to 1895 as the 38th President of Peru.  In Peru, he is considered a national hero for leading the resistance to Chilean occupation during the War of the Pacific (1879–1883), where he fought as a General in the Peruvian Army.

Arthur Gardner (diplomat): Arthur Gardner (1889–1967) was a United States foreign diplomat and American ambassador to Cuba 1953-1957.  Gardner was a close confident of President Dwight D. Eisenhower and was also strongly pro-Batista.

Silas Deane: Silas Deane (January 4, 1738 [O.S. December 24, 1737] September 23, 1789) was an American merchant, politician, and diplomat, and a supporter of American independence.  Deane served as a delegate to the Continental Congress, then as the first foreign diplomat from the United States to France.  Near the end of the war, Congress charged Deane with financial impropriety, and the British intercepted and published some letters in which he had implied that the American cause was hopeless.  After the war, Deane lived in Ghent and London and died under mysterious circumstances while attempting to return to America.

Shlomo Lorincz: Rabbi Shlomo Lorincz (Hebrew: שלמה לורינץ‎ ‎ , born 5 March 1918, died 19 October 2009) was a former Israeli politician who served as a member of the Knesset for Agudat Yisrael from 1951 until 1984, and a close confident of many gedolim.

Pedro Lascuráin: Pedro José Domingo de la Calzada Manuel María Lascuráin Paredes (8 May 1856 – 21 July 1952) was a Mexican politician who served as the 34th President of Mexico for less than one hour on February 19, 1913, the shortest presidency in the history of the world.  He had earlier served as Mexico's foreign secretary for two terms and was the director of a small law school in Mexico City for sixteen years.

George Sphrantzes: George Sphrantzes, also Phrantzes or Phrantza (Greek: Γεώργιος Σφραντζής or Φραντζής; 1401 – c. 1478) was a late Byzantine Greek historian and Imperial courtier.  He was an attendant to Emperor Manuel II Palaiologos, "protovestiarites" ("Lord of the Imperial Wardrobe") under John VIII Palaiologos, and a close confident to Constantine XI Palaiologos.  He was an eyewitness of the Fall of Constantinople in 1453, made a slave by the victorious Turks, but ransomed shortly afterwards.  Sphrantzes served the surviving members of the Palaiologian family for the next several years until taking monastic vows in 1472.  It was while a monk he wrote his history, which ends with the notice of Sultan Mehmed II's attempt to capture Naupaktos, which he dates to the summer of 1477; Sphrantzes is assumed to have died not long after that event.

Jeong Yakyong: Jeong Yakyong / Jung Yak-Yong (5 August 1762 – 7 April 1836), often simply known as ‘Dasan’ (茶山, one of his ‘ho’ / pen-names meaning ‘the mountain of tea’), was born on the 16th day of the 6th lunar month, 1762, in Gwangju county, Gyeonggi province, and died there on the 22nd day of the 2nd lunar month, 1836.  He was one of the greatest thinkers of the later Joseon period, wrote highly influential books about philosophy, science and theories of government, held significant administrative positions, was a close confident of King Jeongjo (ruled 1776-1800), and was noted as a poet.  His philosophical position is often identified with the Silhak (practical learning) school, and his concerns are better seen as explorations of Neo-Confucian themes.  He spent 18 years in exile in Gangjin, South Jeolla province, from 1801 until 1818, on account of his membership of the Southerners (Nam-in) faction, and also because of the Catholic faith of his elder brother.  His clan originated in Naju, South Jeolla Province.  At birth he was given the courtesy title (初字 choja) Gwi’nong (歸農), and later he was also known by the ja Miyong (美鏞) and Songbu (頌甫)美庸); among his ho (號, pen-names) were Saam (俟菴), Tagong (籜翁), Taesu (苔叟), Jahadoin (紫霞道人), Cheolmasanin (鐵馬山人), Dasan (茶山), Yeoyudang (與猶堂, the name of his house), and Mundo (文度, his name as a poet).  Korean Catholics sometimes claim that he was baptized with the name John Baptist, but there is no documentary proof of this.  He still has decedents living to this day, Some living in the United States California.

Dwight D. Eisenhower: Dwight David "Ike" Eisenhower ( ; October 14, 1890 – March 28, 1969) was an American politician and Army general who served as the 34th President of the United States from 1953 until 1961.  During World War II, he was a five-star general in the United States Army and served as Supreme Commander of the Allied Expeditionary Forces in Europe.  He was responsible for planning and supervising the invasion of North Africa in Operation Torch in 1942–43 and the successful invasion of France and Germany in 1944–45 from the Western Front.

Edward S. Bragg: Edward Stuyvesant Bragg (February 20, 1827 – June 20, 1912) was a Democratic politician, lawyer and Union Army general from Wisconsin.  He served in the U.S. House of Representatives from 1877 to 1883 and from 1885 to 1887 and subsequently served as a foreign diplomat.

Supporting paragraphs: Arthur Gardner (diplomat) Dwight D. Eisenhower
Answer: 1953 until 1961