Frozen food technology: Identify who discovered the first practical method of freezing food. Full question: FROZEN FOOD — Who discovered the first practical method of freezing food? Choose the correct option.

Given data

• Domain: Food preservation technology.
• Task: Identify the pioneer of practical quick-freezing.

Concept / Approach
Clarence Birdseye developed and commercialized the first practical method for quick-freezing foods in the 1920s, preserving texture and flavor by rapidly passing through the ice-crystal formation zone.

Option analysis
Birdseye: Correct — quick-freezing pioneer. Pasteur: Pioneered pasteurization, not freezing. Appert: Early canning methods. Linde: Industrial refrigeration and gases, not the first practical food quick-freezing method.

Final Answer
Clarence Birdseye.