Step 1: Understanding the Question:
This question asks about who described jurisprudence as "Lawyer's Extra version," which refers to the practical aspect of jurisprudence as seen by legal practitioners, such as lawyers, in their daily practice. The term highlights the functional and application-focused side of law.
Step 2: Detailed Explanation of the Options:
- (A) Savigny: Savigny is famous for his historical school of law, which focused on the evolution of law based on historical and cultural contexts. However, he did not describe jurisprudence as 'Lawyer's Extra version.'
- (B) Salmond: This is the correct answer. Salmond viewed jurisprudence as a set of principles and rules that directly guide the actions of lawyers in their practice, calling it the "Lawyer's Extra version." He emphasized the practical application of legal theory.
- (C) Julius Stone: Stone was a legal theorist who emphasized the relationship between law and society but did not coin the term "Lawyer's Extra version." His work was more focused on legal realism and the social context of law.
- (D) Buckland: Buckland was a Roman law expert and contributed to legal philosophy, but he did not describe jurisprudence in terms of a "Lawyer's Extra version." His work was more concerned with the historical and institutional foundations of law.
Step 3: Final Conclusion:
The correct answer is (B) Salmond, as he described jurisprudence as 'Lawyer's Extra version,' highlighting the practical side of law.