diff --git a/src/10_PITF/Testat/Bank.cpp b/src/10_PITF/Testat/Bank.cpp
index bd2002e..0a72659 100644
--- a/src/10_PITF/Testat/Bank.cpp
+++ b/src/10_PITF/Testat/Bank.cpp
@@ -7,6 +7,10 @@ Bank::Bank(std::string name) : name(std::move(name)) {
 
 }
 
+Bank::Bank(Bank *bank) : name(bank->getName()) {
+
+}
+
 void Bank::addAccount(BankAccount * account) {
     accounts.insert(account);
 }
diff --git a/src/10_PITF/Testat/Bank.h b/src/10_PITF/Testat/Bank.h
index 3dde3e3..41319f8 100644
--- a/src/10_PITF/Testat/Bank.h
+++ b/src/10_PITF/Testat/Bank.h
@@ -12,6 +12,7 @@ private:
     std::set<Money *> money;
 public:
     explicit Bank(std::string name);
+    explicit Bank(Bank* bank);
     void addAccount(BankAccount * account);
     void addMoney(Money * money);
     std::set<BankAccount *> getAccounts();
diff --git a/src/10_PITF/Testat/BankAccount.cpp b/src/10_PITF/Testat/BankAccount.cpp
index bb970d7..14c5579 100644
--- a/src/10_PITF/Testat/BankAccount.cpp
+++ b/src/10_PITF/Testat/BankAccount.cpp
@@ -1,23 +1,29 @@
+#include <utility>
+
 #include "BankAccount.h"
 #include "CashFactory.h"
 
-BankAccount::BankAccount(Person * owner, std::string name) : name(std::move(name)) {
-this->owner = owner;
+BankAccount::BankAccount(std::shared_ptr<Person> owner, std::string name) : name(std::move(name)), owner(std::move(owner)) {
+
 }
 
-BankAccount * BankAccount::operator+(Money * money) {
+BankAccount::BankAccount(BankAccount *bankAccount) : owner(std::move(bankAccount->getOwner())), name(std::move(bankAccount->getName())) {
+
+}
+
+BankAccount *BankAccount::operator+(Money *money) {
 
     BankAccount::money = new Money(money->getValue() + getMoney().getValue());
     return this;
 }
 
-Money * BankAccount::operator-(int value) {
-    auto * cashFactory = new CashFactory();
+Money *BankAccount::operator-(int value) {
+    auto *cashFactory = new CashFactory();
 
     return cashFactory->printCoin(value, CurrencyValue::USD);
 }
 
-bool BankAccount::operator<(BankAccount * bankAccount) {
+bool BankAccount::operator<(BankAccount *bankAccount) {
     return money.getValue() < bankAccount->money.getValue();
 }
 
@@ -29,6 +35,6 @@ Money BankAccount::getMoney() {
     return money;
 }
 
-Person *BankAccount::getOwner() {
+std::shared_ptr<Person> BankAccount::getOwner() {
     return owner;
 }
diff --git a/src/10_PITF/Testat/BankAccount.h b/src/10_PITF/Testat/BankAccount.h
index c0432ad..52c3f3a 100644
--- a/src/10_PITF/Testat/BankAccount.h
+++ b/src/10_PITF/Testat/BankAccount.h
@@ -2,6 +2,7 @@
 #define C_C_BANKACCOUNTS_H
 
 #include <unordered_map>
+#include <memory>
 
 #include "Money.h"
 #include "Cash.h"
@@ -10,15 +11,16 @@
 class BankAccount {
 private:
     std::string name;
-    Person * owner;
+    std::shared_ptr<Person> owner;
     Money money;
 public:
-    explicit BankAccount(Person * owner, std::string name);
+    explicit BankAccount(std::shared_ptr<Person> owner, std::string name);
+    explicit BankAccount(BankAccount* bankAccount);
     BankAccount* operator+(Money * money);
     Money* operator-(int value);
     bool operator<(BankAccount * bankAccount);
     std::string getName();
-    Person * getOwner();
+    std::shared_ptr<Person> getOwner();
     Money getMoney();
 };
 
diff --git a/src/10_PITF/Testat/HeapObject.cpp b/src/10_PITF/Testat/HeapObject.cpp
index 080327e..99eab40 100644
--- a/src/10_PITF/Testat/HeapObject.cpp
+++ b/src/10_PITF/Testat/HeapObject.cpp
@@ -22,7 +22,6 @@ HeapObject::~HeapObject(){
 
 bool HeapObject::assertionsHold(){
     assert(ctorCount == newCount);   // all objects have been allocated on heap
-    std::cout << ctorCount << " == " << dtorCount << std::endl;
     assert(ctorCount == dtorCount);  // all objects have been deleted
     return true;
 }
diff --git a/src/10_PITF/Testat/Person.cpp b/src/10_PITF/Testat/Person.cpp
index c33c5e1..166df44 100644
--- a/src/10_PITF/Testat/Person.cpp
+++ b/src/10_PITF/Testat/Person.cpp
@@ -6,6 +6,10 @@ Person::Person(std::string name) : name(std::move(name)){
 
 }
 
+Person::Person(Person *person) : name(std::move(person->getName())) {
+
+}
+
 std::string Person::getName() {
     return name;
 }
\ No newline at end of file
diff --git a/src/10_PITF/Testat/Person.h b/src/10_PITF/Testat/Person.h
index ffd9656..a919dd1 100644
--- a/src/10_PITF/Testat/Person.h
+++ b/src/10_PITF/Testat/Person.h
@@ -11,6 +11,7 @@ private:
     std::vector<Money *> money;
 public:
     explicit Person(std::string name);
+    explicit Person(Person* person);
     std::string getName();
 };
 
diff --git a/src/10_PITF/Testat/main.cpp b/src/10_PITF/Testat/main.cpp
index 8bbd9e5..8d1d876 100644
--- a/src/10_PITF/Testat/main.cpp
+++ b/src/10_PITF/Testat/main.cpp
@@ -1,5 +1,5 @@
-
 #include <iostream>
+#include <memory>
 #include <set>
 #include <random>
 #include <ctime>
@@ -47,18 +47,17 @@ std::ostream &operator<<(std::ostream &os, BankAccount bankAccount) {
     return os;
 }
 
-std::set<Bank *> banks;
+std::set<std::unique_ptr<Bank>> banks;
 
 void setup() {
 
+    std::unique_ptr<Bank> bank1 = std::make_unique<Bank>(new Bank("Bank 1"));
+    std::unique_ptr<Bank> bank2 = std::make_unique<Bank>(new Bank("Bank 2"));
+    std::unique_ptr<Bank> bank3 = std::make_unique<Bank>(new Bank("Bank 3"));
 
-    Bank *bank1 = new Bank("Bank 1");
-    Bank *bank2 = new Bank("Bank 2");
-    Bank *bank3 = new Bank("Bank 3");
-
-    Person *max = new Person("Max Müller");
-    Person *marius = new Person("Marius Müller");
-    Person *alex = new Person("Alex Maier");
+    std::shared_ptr<Person> max = std::make_shared<Person>(new Person("Max Müller"));
+    std::shared_ptr<Person> marius = std::make_shared<Person>(new Person("Marius Müller"));
+    std::shared_ptr<Person> alex = std::make_shared<Person>(new Person("Alex Maier"));
 
 
     bank1->addAccount(new BankAccount(max, "Konto 1"));
@@ -71,15 +70,15 @@ void setup() {
     bank1->addAccount(new BankAccount(marius, "Konto 2"));
     bank3->addAccount(new BankAccount(marius, "Konto 3"));
 
-    banks.insert(bank1);
-    banks.insert(bank2);
-    banks.insert(bank3);
+    banks.insert(std::move(bank1));
+    banks.insert(std::move(bank2));
+    banks.insert(std::move(bank3));
 }
 
 void simulate() {
     auto *cashFactory = new CashFactory();
 
-    for (Bank *bank : banks) {
+    for (auto && bank : banks) {
         std::cout << std::endl;
         std::cout << "======================== " << bank->getName() << " ========================" << std::endl;
         std::cout << std::endl;
@@ -103,11 +102,10 @@ void simulate() {
 }
 
 void tearDown() {
-    for (Bank *bank : banks) {
+    for (auto && bank : banks) {
         for (BankAccount *bankAccount : bank->getAccounts()) {
             delete(bankAccount);
         }
-        delete(bank);
     }
 }