Marco Ripà was born in Rome, Italy, 34 years ago and he still lives there.
At the end of 2014, he released his masterpiece "1729 il numero di Mr. 17-29" while, in November 2011, he published a book on hyperoperators and big numbers "La strana coda della serie n^n^...^n".
He initially studied Physics but he gained a First Class degree in Economics. He speaks Italian, English, French and a little Spanish, while also being able to understand some Portuguese. He is good at mathematics and he likes science very much too. His interests and hobbies include philosophy, Italian poetry (especially Dante Alighieri's verses), literature, chess, powerlifting, fishing and martial arts. He often relaxes by listening to classical compositions, but he prefers rock music and melodic songs. He has a younger sister plus some very good friends. He is an author of number theory papers and the father of a few integer sequences listed in OEIS.
He has been voted "Genius of the Year - 2014" representing Europe by the members of the World Genius Directory (GOTY Award).
He is member of more than thirty high IQ societies.
His personal YouTube Channel, focused tests, logic and mathematics, counts over 150k subscribers.
His average score on the first submissions of high range IQ tests (the mean of all the spatial tests and numerical ones he has taken) is close to 200 points on the Cattell Scale (sd=24), while his best performance reaches 211 points on the same scale. He achieved also a perfect score on the Raven's APM serie II (36/36) under a 40 minutes time limit and on the Fiqure test (50/50, 2nd attempt).
He is the creator of the X-Test, a very difficult logical/numerical test with some divergent thinking and of the ENNDT/ENSDT.
An Interview with Marco Ripà (Part 1): https://in-sightjournal.com/2016/01/01/an-interview-with-marco-ripa-part-one/
An Interview with Marco Ripà (Part 2): https://in-sightjournal.com/2016/01/08/an-interview-with-marco-ripa-part-two/
An Interview with Marco Ripà (Part 3): https://in-sightjournal.com/2016/01/15/an-interview-with-marco-ripa-part-three/