A former lecturer has been branded the "world's hottest maths teacher" after students discovered he is also a fashion model who is "addicted to training".

Pietro Boselli, 26, originally from Negrar, Italy, was teaching a mechanical engineering class at University College London when one of his students tried a simple search for his name on Google.

After discovering his 6ft 1in lecturer's Instagram, which has more than 46,000 followers, Arief Azli tweeted: "That moment when you realise your maths lecturer is a top designer model."

He posted a picture of his lecturer scribbling equations on the whiteboard next to one of him shirtless with the caption: "Only at UCL? ? #?MechanicalEngineers?? #ModellingandAnalysis? #?Bromance?."

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Other students soon followed suit and posted pictures of him taking classes, with one saying: "This is why I never miss a class".

Mr Boselli, who has a PhD in Mechanical Engineering, was crowned the European Fitness Model Champion in 2014.

According to his LinkedIn profile, he worked as a teaching assistant and then lecturer at UCL until June 2014 and is now represented by Models 1.

He was even awarded the Undergraduate Faculty Excellence Scholarship for the most outstanding academic achievement in his first year at UCL, before going on to get a First-class honours.

The fashion model was discovered at the age of six by renowned designer Giorgio Armani who saw potential and said he should be a model.

His Instagram account gives an insight into his fitness regime as he posted a picture of himself in the pool, saying: "Boosts circulation, gets metabolism up to speed and strengthens immune system!"

Mr Boselli revealed he works out two to three times a day and said his best feature is his "perseverance and inconsistency".

In an interview with F Tape he said he would be concentrating on "engineering, teaching maths and personal training" if he was not modelling.

He also revealed that Arnold Schwarzenegger, Oscar Wilde and The Rolling Stones were among his idols.

Hundreds of fans have taken to social media to say they would have concentrated slightly harder in lessons if Mr Boselli had been their teacher.

Rachel Ruane said: "Would trade my maths teacher for him in a heartbeat oh my god #PietroBoselli #teachmealgebraanyday."

Cassy Chavez said: "I would never miss a class too!"

Aly Dos Equis said: "Good thing this guy wasn't my math teacher I'd have a hard time paying attention."

Pieter Botha said: "No fair! I never had a math teacher like you? I would've passed."

Probably the hottest intellect in the world.....#pietroboselli #baespotting

A photo posted by Baes All Around (@baespotting) on

- Daily Mail