A professional who studies nature, origin, use, improvement, and processing methods of plant, animal, and synthetic fibers. Responsibilities include:

• Analyzes wool, mohair, cashmere, camel's hair, alpaca, bristles, feathers, and similar animal and fowl fibers, plant fibers, such as cotton, linen, and jute, and synthetic fibers and products made from these fibers.
• Applies principles of science to improve growth and quality of fibers.
• Conducts experiments in blending fibers and develops improved manufacturing methods for converting fibers into articles, such as cloth, felts, rugs, mattresses, and brushes.
• Conducts tests on fibrous structures for quality control, such as tensile strength and stability to heat, light, and chemicals.
• May be identified according to fibers studied.