Sitaram Lalas
Sitaram Lalas (29 December 1912 – 29 December 1986) (known as Sita Ramji maadsaab) was a linguist and lexicographer of India. He produced the first dictionary of the Rajasthani language, titled Rajasthani Shabd (Sabada) Kosh and Rajasthani Hindi Brihad Kosha. Further reading 

Dr. Sitaram Lalasʼs Interview about Rajasthani Language (Vol. I)
Dr. Sitaram Lalasʼs Interview about Rajasthani Language (Vol. II)

