Here are the web-pages of colleagues and friends who have been important in my life and career:

• Luca Rizzi: Chargé de recherche CNRS at the Fourier institute in Grenoble. We shared the same room (or "burial recess", as I was used to call it due to its dimensions) at Università degli Studi dell'Insubria during my PhD course and his Master's degree studies. We have co-authored 3 papers.
• Luca Nardo: One of my best friends, biophysicist at Università degli Studi dell'Insubria. We shared countless meals, coffees and jokes.
• Ugo Moschella: My M.Sc. and PhD supervisor. Professor at Università degli Studi dell'Insubria. 
• Alexander "Sasha" Kamenshchik: Professor and co-supervisor of mine at Università degli Studi dell'Insubria.
• Sergio Cacciatori: Professor at Università degli Studi dell'Insubria.
• Vittorio Gorini: Ex-Professor at Università degli Studi dell'Insubria.
• Marco Bruni: Reader at the Institute of Cosmology and Gravitation, University of Portsmouth. Together with Daniele Bertacca we invented a new class of Unified Dark Matter cosmological models.
• Daniele Bertacca: At the moment (2020) he is researcher in Padova University.  
• David Wands: Professor at and Director of the Institute of Cosmology and Gravitation, University of Portsmouth.
• Júlio C. Fabris: Professor at UFES.
• Davi C. Rodrigues: Professor at UFES.
• Valerio Marra: Professor at UFES.
• Luca Amendola: My host during my sabbatical as Humboldt fellow at the Institut für theoretische Physik at the Universität Heidelberg.
• Adrià Gomez-Valent: At the moment (2020) post-doc at the Institut für theoretische Physik at the Universität Heidelberg.