For the negligence of skillful and qualified persons such as doctors or engineers, an employer is liable even though they are not under his control. The above statement is in reference to the tort of

Vicarious liability holds an employer responsible for torts committed by employees during employment, even if the employer wasn't directly supervising or controlling the specific acts. This applies to skilled professionals like doctors and engineers whose expertise the employer benefits from. Strict liability (A) applies without regard to fault, negligence (B) requires breach of duty, and damnum sine injuria (D) means harm without legal injury.