A person who theorizes or constructs theories.
सिद्धान्तकार
English Usage: The theoriser presented his ideas at the conference.
Hindi Usage: सिद्धान्तकार ने सम्मेलन में अपने विचार प्रस्तुत किए।
siddhantkaar, siddhantkar, siddhant kaar, siddhantkaa
