Dr. Lang is a research scientist and teacher.
Dr. Lang is a middle-aged female, with long brown hair and gray streaks, wears a lab coat with a dark orange shirt underneath.
She had a deep love for the Crystal Canopy, and was protective of the highly sound-sensitive crystals inside, not letting anybody from the public have access when she came to study them. She was fond of former student, Velma Dinkley, but wouldn't even let her in.
She was Velma's former science teacher, whom she saw as a shining student.
Be Cool, Scooby-Doo!
Dr. Lang was the head a small group of research scientists into the caves of to prove that the crystals were too fragile to be seen. This didn't bode well with Colson McCready, who was making a touring business out of it, and so dressed up as the Crystal Crawler to cut his losses. She was present when the gang revealed his scheme. Despite her seeming success, it was all for naught, as Velma accidentally slammed the Crystal Canopy Tour Company's door, collapsing the building and shattering all the crystals inside the building and the caves, making her faint.
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