Professor Explaining the Pronunciation of Obstreperous on a Chalkboard Stock Image - Free Download

A high-quality, authentic photograph of a passionate linguistics professor in a cozy university study. The professor, a middle-aged man with glasses and a tweed blazer, is captured mid-speech, gesturing with his hands to emphasize a phonetic point. He is standing next to a large chalkboard that has the word 'Obstreperous' written in clear, white chalk, with phonetic symbols /əbˈstrɛpərəs/ and breakdown marks written underneath it. The background features floor-to-ceiling bookshelves filled with old leather-bound books, a vintage desk lamp casting a warm glow, and soft natural light coming from a side window. Shallow depth of field, cinematic lighting, 8k resolution, realistic skin textures, no distorted fingers, scholarly atmosphere.