Sam Walton (ESTJ) : 

• Extraverted (E): Walton was known for his outgoing and energetic personality, actively engaging with his employees, customers, and community.

• Sensing (S): He was highly practical and detail-oriented, focusing on the day-to-day operations of his business and paying close attention to what worked in the retail industry.

• Thinking (T): Walton's decision-making was logical and objective, driven by efficiency, cost-cutting, and strategic planning to ensure the success and growth of Walmart.

• Judging (J): He was disciplined, organized, and methodical, with a clear vision and a structured approach to building and expanding his business.

Helen Walton (ISFJ) : 

• Introverted (I): Helen Walton was more reserved and private, focusing on her family and charitable activities rather than seeking public attention.

• Sensing (S): She was practical and detail-oriented, particularly in her role as a homemaker and in her philanthropic efforts.

• Feeling (F): Helen was driven by a deep sense of compassion and empathy, which guided her involvement in charitable work and her dedication to her family.

• Judging (J): She was organized and responsible, with a strong sense of duty and commitment to her family, community, and philanthropic endeavors.

it's important to note that these are speculative assessments based on public observations. Different observers might arrive at different conclusions based on their interpretations of his behavior. They may not be the true types in  their private lives.