name     tenure begin  tenure end british monarch         czechoslovak president
0                      sir george clerk             1919        1926        george v         tomáš garrigue masaryk
1                     sir james macleay             1926        1930        george v         tomáš garrigue masaryk
2                    sir joseph addison             1930        1936        george v         tomáš garrigue masaryk
3                  sir charles bentinck             1936        1937       george vi                   edvard beneš
4             sir robert bruce lockhart     21 july 1940        1941       george vi                   edvard beneš
5   frank roberts ( chargé d'affaires )     18 july 1941        1941       george vi                   edvard beneš
6                    sir philip nichols  27 october 1941        1947       george vi                   edvard beneš
7                     sir pierson dixon             1948        1950       george vi               klement gottwald
8                  sir philip broadmead             1950        1953       george vi               klement gottwald
9                   sir derwent kermode             1953        1955    elizabeth ii              antonín zápotocký
10                   sir clinton pelham       5 may 1955        1957    elizabeth ii              antonín zápotocký
11                        sir paul grey     28 june 1957        1960    elizabeth ii                antonín novotný
12                    sir cecil parrott             1960        1966    elizabeth ii                antonín novotný
13                   sir william barker             1966        1968    elizabeth ii                antonín novotný
14                     sir howard smith             1968        1971    elizabeth ii                 ludvík svoboda
15                     ronald scrivener             1971        1974    elizabeth ii                 ludvík svoboda
16                        edward willan             1974        1977    elizabeth ii  ludvík svoboda → gustáv husák
17                           peter male             1977        1980    elizabeth ii                   gustáv husák
18                            john rich             1980        1985    elizabeth ii                   gustáv husák
19                  sir stephen barrett             1985        1988    elizabeth ii                   gustáv husák
20                    laurence o'keeffe             1988        1991    elizabeth ii    gustáv husák → václav havel
21                        david brighty             1991        1993    elizabeth ii                   václav havel

Table as JSON:
{"name":{"0":"sir george clerk","1":"sir james macleay","2":"sir joseph addison","3":"sir charles bentinck","4":"sir robert bruce lockhart","5":"frank roberts ( chargé d'affaires )","6":"sir philip nichols","7":"sir pierson dixon","8":"sir philip broadmead","9":"sir derwent kermode","10":"sir clinton pelham","11":"sir paul grey","12":"sir cecil parrott","13":"sir william barker","14":"sir howard smith","15":"ronald scrivener","16":"edward willan","17":"peter male","18":"john rich","19":"sir stephen barrett","20":"laurence o'keeffe","21":"david brighty"},"tenure begin":{"0":"1919","1":"1926","2":"1930","3":"1936","4":"21 july 1940","5":"18 july 1941","6":"27 october 1941","7":"1948","8":"1950","9":"1953","10":"5 may 1955","11":"28 june 1957","12":"1960","13":"1966","14":"1968","15":"1971","16":"1974","17":"1977","18":"1980","19":"1985","20":"1988","21":"1991"},"tenure end":{"0":1926,"1":1930,"2":1936,"3":1937,"4":1941,"5":1941,"6":1947,"7":1950,"8":1953,"9":1955,"10":1957,"11":1960,"12":1966,"13":1968,"14":1971,"15":1974,"16":1977,"17":1980,"18":1985,"19":1988,"20":1991,"21":1993},"british monarch":{"0":"george v","1":"george v","2":"george v","3":"george vi","4":"george vi","5":"george vi","6":"george vi","7":"george vi","8":"george vi","9":"elizabeth ii","10":"elizabeth ii","11":"elizabeth ii","12":"elizabeth ii","13":"elizabeth ii","14":"elizabeth ii","15":"elizabeth ii","16":"elizabeth ii","17":"elizabeth ii","18":"elizabeth ii","19":"elizabeth ii","20":"elizabeth ii","21":"elizabeth ii"},"czechoslovak president":{"0":"tomáš garrigue masaryk","1":"tomáš garrigue masaryk","2":"tomáš garrigue masaryk","3":"edvard beneš","4":"edvard beneš","5":"edvard beneš","6":"edvard beneš","7":"klement gottwald","8":"klement gottwald","9":"antonín zápotocký","10":"antonín zápotocký","11":"antonín novotný","12":"antonín novotný","13":"antonín novotný","14":"ludvík svoboda","15":"ludvík svoboda","16":"ludvík svoboda → gustáv husák","17":"gustáv husák","18":"gustáv husák","19":"gustáv husák","20":"gustáv husák → václav havel","21":"václav havel"}}