It looks like you can still meet Cornelius via <a href="/wiki/Track_down_Cornelius_3" title="Track down Cornelius 3">this action</a>, which should appear under The Next Stretch of Track if you've got <a href="/wiki/Following_up_Rumours_of_Cornelius" title="Following up Rumours of Cornelius"><img alt="" src="/w/images/thumb/4/4b/Cornelius.png/20px-Cornelius.png" decoding="async" width="20" height="26" srcset="/w/images/thumb/4/4b/Cornelius.png/30px-Cornelius.png 1.5x, /w/images/thumb/4/4b/Cornelius.png/40px-Cornelius.png 2x" /></a> <a href="/wiki/Following_up_Rumours_of_Cornelius" title="Following up Rumours of Cornelius">Following up Rumours of Cornelius</a> 7-8 (from deciphering documents at Balmoral) and <a href="/wiki/Furnace%27s_Fate_Revealed" title="Furnace's Fate Revealed"><img alt="" src="/w/images/thumb/0/0f/Furnace.png/20px-Furnace.png" decoding="async" width="20" height="26" srcset="/w/images/thumb/0/0f/Furnace.png/30px-Furnace.png 1.5x, /w/images/thumb/0/0f/Furnace.png/40px-Furnace.png 2x" /></a> <a href="/wiki/Furnace%27s_Fate_Revealed" title="Furnace's Fate Revealed">Furnace's Fate Revealed</a> (from rescuing Furnace).