The Educated Rapper, a member ’80s hip-hop group U.T.F.O., has died following a battle with cancer, AllHipHop reports. He was 54. The news was officially announced on Instagram by fellow U.T.F.O. member Kangol Kid:

With incredible sadness and greater regret, I am officially announcing that my UTFO brother Jeffrey Campbell aka "EDUCATED RAPPER" is rocking the mic in Heaven. This feeling I feel right now is so unfamiliar for I have NEVER lost a brother that I've done so much with. I've made history with this man. Only two other men (Doctor Ice @officialdocice and Mixmaster Ice @mixmasterice) understand the loss I feel right now. We're all we have left. Thank you E for taking this incredible ride with me. Hip-Hop Will NEVER forget your contribution…and I will never forget our journey. I love you and will forever miss us. ~Kang.

A post shared by Kangol Kid (@yokangol) on Jun 3, 2017 at 6:01pm PDT

Jeffrey Campbell, aka the Educated Rapper, aka EMD, was one-fourth of U.T.F.O., which stands for Untouchable Force Organization, along with the Kangol Kid, Doctor Ice, and Mix Master Ice. Mentored and produced by the R&B group Full Force, their best-known song is the classic 1984 hit “Roxanne, Roxanne.” After U.T.F.O. cancelled an appearance at a concert for Mr. Magic, Marley Marl, and Tyrone Williams’ WBLS radio show, Marl produced Roxanne Shanté’s diss track “Roxanne’s Revenge,” sparking the series of rivalries and response tracks known as the Roxanne Wars.

Revisit U.T.F.O.’s work and find tributes to the Educated Rapper on social media below.

God's will be done.. Peaceful Journey my brother.. Farewell & Salute.. R.I.P. Jeff #ripeducatedrapper #ripemd #UTFO

A post shared by MIX MASTER ICE (UTFO) (@mixmasterice) on Jun 3, 2017 at 4:55pm PDT

Rest In Beats .. The Educated Rapper from UTFO DocIcE Kangol and MixMasterIce were bedside. Yes there was a time MCs bragged on education

— Chuck D (@MrChuckD) June 4, 2017

R.I.P. To The Legend…EMD aka The Educated Rapper of UTFO…
Salute Jeffery Campbell…Love To Kangol Kid, Doctor Ice and Mix Master Ice

— DJ Premier (@REALDJPREMIER) June 4, 2017

Yo EMD…..

— Kool Keith (@UltraMan7000) June 4, 2017

Rest In Power my brotha 😔#educatedrapper #EMD

A post shared by Pete Rock (@realpeterock) on Jun 3, 2017 at 7:11pm PDT