The characteristics of Marie Curie's personality can be summarized as follows:

1. Devotion to science: Marie Curie was deeply interested and passionate about science, contributing significantly to the field of radiation research. She approached her work with enthusiasm and doggedness, undaunted by the challenges she faced.

2. Disciplined and organized: Marie Curie was known for her strict routine and organization, which enabled her to maintain a high level of productivity. She woke up early in the morning and strictly followed a daily schedule, dividing her time between work, research, and relaxation.

3. Intellectual ability: Marie Curie possessed an exceptional mind for science and mathematics, which enabled her to make groundbreaking discoveries in the fields of physics and chemistry. She excelled academically, graduating from high school at the age of 16 with high honors.

4. Modesty and humility: Marie Curie was known for her modesty and humility, qualities that separated her from many of her contemporaries. She often downplayed her achievements, focusing more on the advancement of science and humanity.

5. Perseverance: Marie Curie's perseverance and determination were remarkable. She encountered many obstacles throughout her career, including gender discrimination and a lack of funding, but she pressed forward undeterred. Her resilience and unwavering commitment to her work were instrumental in her groundbreaking achievements.

6. Philanthropy: Marie Curie used her knowledge and skills for the betterment of society. She was committed to using her discoveries for the treatment of diseases, particularly cancer, founding the first radiotherapy department in Paris at the Salpetriere Hospital.

7. Visionary: Marie Curie had a clear and prophetic vision for the advancement of science and humanity. She recognized the potential of radioactivity for medical applications and envisioned a future where atomic energy could be harnessed for peaceful purposes. Her foresight and innovation paved the way for numerous advancements in science and medicine.

In sum, Marie Curie's character was marked by her passion for science,严格的日程安排，出色的才智，谦虚低调，毅力，公益心，远见卓识，为人类的进步做出了巨大贡献。