Alexander Graham Bell the inventor of telephone was a good friend and companion of Helen.
Not only Helen, but he helped many handicapped children and supported them with the educational facilities and other things.
He was the one who suggested Mr. Anagnos to Helen's parent which resulted in their further meeting with Anne Mansfield Sullivan.
Alexander Graham Bell always helped Helen and infact her novel was dedicated to him.
He explained his experiments to Helen and made everyone believe that he/she can be a inventor.

**Character Sketch of Dr. Graham Bell**

Dr. Graham Bell was a renowned inventor, scientist, and teacher who is best known for his invention of the telephone. He was born on March 3, 1847, in Edinburgh, Scotland. Bell was a highly dedicated and determined individual who dedicated his life to advancing scientific knowledge and improving communication systems.

**Passionate about Science and Invention**

One of the defining characteristics of Dr. Graham Bell was his passion for science and invention. From a young age, he displayed a keen interest in the workings of the natural world and was constantly experimenting with various ideas. This enthusiasm for scientific exploration fueled his drive to innovate and find solutions to complex problems.

**Perseverance and Determination**

Dr. Graham Bell's journey towards inventing the telephone was not without challenges. He faced numerous setbacks and obstacles along the way. However, his unwavering perseverance and determination allowed him to overcome these difficulties and continue his pursuit of creating a revolutionary communication device. Despite facing many failures, he never gave up on his dreams and ultimately achieved great success.

**Inquisitive and Analytical Mind**

Dr. Bell possessed a highly inquisitive and analytical mind. He had a natural curiosity and was constantly questioning the world around him. This curiosity, combined with his meticulous attention to detail, allowed him to thoroughly investigate various scientific principles and experiment with different ideas. His ability to analyze complex problems and think critically helped him make groundbreaking discoveries.

**Commitment to Education and Sharing Knowledge**

Apart from being an inventor, Dr. Graham Bell was also a dedicated teacher. He firmly believed in the importance of education and was committed to sharing his knowledge with others. He served as a professor of vocal physiology and elocution at Boston University and later became the founder and president of the Volta Laboratory Association, where he taught and mentored aspiring scientists.

**Humanitarian and Philanthropist**

Dr. Graham Bell was not only a brilliant scientist but also a compassionate humanitarian. He believed in using his inventions and scientific knowledge for the betterment of society. His philanthropic activities included working towards improving education for the deaf, supporting medical research, and advocating for the rights of individuals with disabilities. His commitment to making a positive impact on the world was truly commendable.

In conclusion, Dr. Graham Bell was an extraordinary individual whose passion for science, determination, inquisitive mind, commitment to education, and humanitarian values made him a remarkable figure in history. His invention of the telephone revolutionized communication and laid the foundation for the modern telecommunications industry.