One of the great, but lesser known, Salafi ‘ulama of these times is shaykh Muhammad b. Adam al-Ithiyubi, originally from Ethiopia hafizahullah. A great scholar in hadith, language and usul al-fiqh. He wrote many important books especially in the sciences of hadith.
His bio in English here: https://qaryah.files.wordpress.com/2008/09/bio_ithyoobee_en1.pdf
In Arabic from Maktaba al-Shamila: http://shamela.ws/index.php/author/445
His commentary on the muqaddima of Sahih Muslim has been translated to English:
His advice on seeking knowledge: https://www.youtube.com/watch?v=RJICv9LmwC4