▁Sil wan ▁was ▁built . ▁He aded ▁the ▁department ▁of ▁Arch ae ology ▁and ▁An cient ▁Near ▁Eastern ▁Studies , ▁Tel ▁Av iv ▁University , ▁between ▁ 1 9 7 5 ▁and ▁ 1 9 7 8 . ▁Between ▁ 1 9 8 0 ▁and ▁ 1 9 8 4 ▁he ▁was ▁the ▁director ▁of ▁the ▁Institute ▁of ▁Arch ae ology , ▁Tel ▁Av iv ▁University . ▁From ▁ 1 9 7 5 ▁to ▁ 2 0 0 4 ▁he ▁was ▁the ▁editor ▁of ▁Tel - Av iv , ▁Journal ▁of ▁the ▁Institute ▁of ▁Arch ae ology , ▁Tel ▁Av iv ▁University . ▁▁ 1 9 9 6 – 2 0 0 6 : ▁Inc umb ent , ▁Austria ▁Chair ▁in ▁Arch ae ology ▁of ▁the ▁Land ▁of ▁Israel ▁in ▁the ▁Bib lic al ▁Period , ▁Tel ▁Av iv ▁University . ▁ ▁In ▁addition ▁to ▁his ▁participation ▁in ▁exc av ations , ▁U ss ish kin ▁also ▁conducted ▁research ▁and ▁published ▁works ▁in ▁several ▁fields . ▁Chief ▁amongst ▁those ▁are ▁his ▁publications ▁regarding ▁issues ▁of ▁strat ig raph y ▁in ▁different ▁sites ▁from ▁the ▁Bib lic al ▁Era ▁in ▁Israel , ▁works ▁dealing ▁with ▁the ▁connection ▁between ▁historical ▁data ▁and ▁arch ae ological ▁data , ▁and ▁his ▁work ▁on ▁monument al ▁H itt ite ▁Art . ▁ ▁While ▁a ▁student , ▁U ss ish kin ▁took ▁part ▁in ▁many ▁dig s ; ▁among ▁those ▁were ▁the ▁exc av ations ▁of ▁Chal col ith ic ▁Be ers he ba ▁( late ▁ 5 th