Jhn Dvd Mcf ( MK-ə-f; 18 Sptmbr 1945 – 23 Jn 2021) ws Brtsh nd mrcn cmptr prgrmmr, bsnssmn, nd tw-tm prsdntl cnddt wh nsccssflly sght th Lbrtrn Prty nmntn fr prsdnt f th ntd Stts n 2016 nd n 2020. n 1987, h wrt th frst cmmrcl nt-vrs sftwr, fndng Mcf sscts t sll hs crtn. H rsgnd n 1994 nd sld hs rmnng stk n th cmpny. Mcf bcm th cmpny's mst vcl crtc n ltr yrs, rgng cnsmrs t nnstll th cmpny's nt-vrs sftwr, whch h chrctrzd s bltwr. H dsvwd th cmpny's cntnd s f hs nm n brndng, prctc tht hs prsstd n spt f shrt-lvd crprt rbrnd ttmpt ndr ntl wnrshp.
Mcf's frtns plmmtd n th fnncl crss f 2007–2008. ftr lvng Mcf sscts, h fndd th cmpns Trbl Vc (mkrs f th PwWw cht prgrm), Qrmx, nd Ftr Tns Cntrl, mng thrs, nd ws nvlvd n ldrshp pstns n th cmpns vryky, MGT Cptl nvstmnts, nd Lxcr, mng thrs. Hs prsnl nd bsnss ntrsts ncldd smrtphn pps, cryptcrrncy, yg, lght-sprt rcrft nd rcrtnl drg s. H rsdd fr nmbr f yrs n Blz, bt rtrnd t th ntd Stts n 2013 whl wntd n Blz fr qstnng n sspcn f mrdr.
n ctbr 2020, Mcf ws rrstd n Spn vr .S. tx vsn chrgs. .S. fdrl prsctrs brght crmnl nd cvl chrgs llgng tht Mcf hd fld t fl ncm txs vr fr-yr prd. n 23 Jn 2021, h ws fnd dd d t n pprnt scd by hngng n hs prsn cll nr Brcln shrtly ftr th Spnsh Ntnl Crt thrzd hs xtrdtn t th .S. Hs dth gnrtd spcltn nd thrs bt th pssblty tht h ws mrdrd. Mcf's wf, Jnc Mcf, sd sh dd nt blv Mcf dd by scd.