Introduction:
In the story "Quality" by John Galsworthy, the author portrays Mr Gessler as a highly skilled and dedicated bootmaker. Through his detailed descriptions and the protagonist's interactions with Mr Gessler, the author conveys a positive opinion about his craftsmanship and work ethic.

Detailed Analysis:

1. Exceptional Craftsmanship:
The author emphasizes Mr Gessler's exceptional craftsmanship, highlighting his attention to detail and the high-quality boots he creates. The boots are described as "sensitive," "fine," and possessing a "soul." This indicates that Mr Gessler puts great care and skill into his work, resulting in boots that are not only functional but also aesthetically pleasing.

2. Passion and Dedication:
The author portrays Mr Gessler as a passionate and dedicated bootmaker. Despite facing financial difficulties and competition from large shoe shops, Mr Gessler remains committed to his craft. He takes pride in his work and strives for perfection, even when it means sacrificing personal comfort and financial stability.

3. Personal Touch:
The author highlights Mr Gessler's personal touch in his interactions with customers. He takes the time to understand their needs and preferences, ensuring that each pair of boots is tailor-made to suit the individual. This personalized approach creates a sense of trust and loyalty between Mr Gessler and his customers.

4. Resilience and Perseverance:
Throughout the story, Mr Gessler faces numerous challenges and setbacks. Despite these difficulties, he remains resilient and perseveres in his profession. He refuses to compromise on quality and refuses to give up his individuality in the face of increasing commercialization. This determination adds to the admiration the author has for Mr Gessler.

Conclusion:
In conclusion, the author's opinion of Mr Gessler as a bootmaker is highly positive. The author highlights Mr Gessler's exceptional craftsmanship, passion, dedication, personal touch, and resilience. Through these qualities, Mr Gessler becomes a symbol of traditional craftsmanship and the value of quality in a world increasingly driven by mass production.