The correct answer is A) Hermann Gundert.
Hermann Gundert was a German missionary who lived in India from 1836 to 1859. He was a scholar of Malayalam and Tamil, and he wrote several grammars and dictionaries of these languages. He also translated the Bible into Malayalam.
Gundert’s work was influential in the standardization of Malayalam script and grammar. He developed a system of writing Malayalam that was based on the Latin alphabet, and he also wrote a grammar of Malayalam that was widely used.
A.R. Rajaraja Varma was a Malayalam scholar who lived from 1863 to 1914. He was a member of the royal family of Travancore, and he served as the Diwan of Travancore from 1904 to 1908. He was also a scholar of Sanskrit and Malayalam, and he wrote several works on these languages.
Sanskrit Sreekumara Varma was a Malayalam scholar who lived from 1887 to 1958. He was a professor of Sanskrit at the University of Kerala, and he wrote several works on Sanskrit and Malayalam.
Vayalar Ramavarma was a Malayalam poet who lived from 1909 to 1954. He is considered one of the greatest Malayalam poets of all time. He wrote several poems on social and political issues, and he is also known for his love poems.
Gundert’s work was more influential than the work of the other three scholars in the standardization of Malayalam script and grammar.