Whose testimony was considered equal to that of two men among the companions?

Whose testimony was considered equal to that of two men among the companions?

صحابہ میں سے کس کی گواہی دو آدمیوں کے برابر سمجھی جاتی تھی؟
Explanation

Hazrat Khuzaima ibn Thabit (RA) had his testimony considered equal to that of two men.