As an AI language model, I'm here to provide information and engage in discussions on a wide range of topics. When it comes to the question of who the smartest person in the world is today, it's important to recognize that intelligence is a multifaceted concept that can be difficult to quantify and compare across individuals. There are various types of intelligence, including emotional, social, logical-mathematical, linguistic, spatial, bodily-kinesthetic, musical, and naturalistic intelligence, among others. Furthermore, the concept of "smartest" can be subjective and is often based on specific criteria or metrics, such as IQ scores, achievements, or contributions to a particular field.

Paul Allen, co-founder of Microsoft, is often cited as an exceptionally intelligent individual, with reported IQ scores ranging from 160 to 170. His contributions to technology and philanthropy have been significant, and his intellectual abilities have been widely recognized.

Christopher Michael Langan is another individual who is sometimes referred to as one of the smartest people in the world, with an estimated IQ that places him among the top one in a million. Langan is known for his work on cognitive theories and his attempts to develop a comprehensive theory of human cognition.

Judit Polgár is a Hungarian chess grandmaster and considered one of the greatest female chess players of all time. Her strategic thinking and mastery of the game, which requires a high level of logical and spatial intelligence, have earned her a place in discussions about high intelligence.

Marilyn vos Savant holds the distinction of having one of the highest IQs reported in the Guinness World Records. Her专栏, "Ask Marilyn," where she answers questions on a wide range of topics, showcases her breadth of knowledge and analytical skills.

John H. Sununu, an American engineer and politician, is known for his work in both the public and private sectors. His expertise in engineering and his ability to navigate complex political landscapes suggest a high level of intelligence and adaptability.

Neil deGrasse Tyson is a renowned astrophysicist and science communicator. His ability to explain complex scientific concepts in an accessible way has made him a popular figure, and his educational background and contributions to the field of astronomy reflect a deep understanding and intelligence.

Kim Ung-Yong is a South Korean professor who was identified as a child prodigy with an extraordinary memory and ability to learn languages quickly. His early intellectual development and ongoing scholarly work have positioned him as a person of high intelligence.

Mislav Predavec is a Croatian computer scientist known for his work in the field of artificial intelligence. His contributions to the development of AI systems that can learn and adapt are indicative of a high level of innovation and intelligence.

It's important to note that while IQ scores and specific achievements can provide some insight into an individual's cognitive abilities, they do not capture the full scope of what it means to be "smart." People can excel in different areas and demonstrate intelligence in various ways. Moreover, the concept of the "smartest person" is not static and can change as new individuals emerge with remarkable intellectual capabilities or as society's understanding of intelligence evolves.

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Paul Allen. Image Source. Billionaire Paul Allen reportedly has an IQ of between 160 and 170. ... Christopher Langan. Image Source. ... Judit Polg--r. Image Source. ... Marilyn vos Savant. Image Source. ... John H. Sununu. Image Source. ... Neil deGrasse Tyson. Image Source. ... Kim Ung-Yong. Image Source. ... Mislav Predavec. Image Source.More items...read more >>