175:
During the 1939 invasion of Poland, according to Leśniak, there was no Enigma intelligence: "When there is no radio monitoring, there are no messages, and you can't work. It was only in France that this source started up again, after the whole team... had been turned over to the French staff."
85:
intelligence gleaned from Enigma decrypts, then-Major Leśniak began questioning its reliability. "Some of the information was so important, about mobilizations and so on, that... I questioned in '36 shortly afterwards." Leśniak was apparently initiated into the secret by
Colonel
17:
147:
Enigma decrypts came into Leśniak's office in varying volume: sometimes several, sometimes a dozen or more, a week. The greatest flow was in 1938. In 1939 there were few decrypts. When Leśniak made inquiries, he learned that the
171:
and formed a
Situation Office for wartime service, which he headed to and through the German invasion of Poland in September 1939. Later he would head a German Office at the Polish General Staff in France and in London.
120:
no. 1) and elsewhere, concerning postings, military build-ups and preparations for mobilization. There was less information on the air force, but a great deal on the navy, e.g. movements of naval ships putting out from
109:
Often, when the Cipher Bureau was missing information or had decrypted half a military unit's or individual's name, Leśniak was able to supply the lacking information.
191:
230:
179:
Lt. Col. Leśniak in 1944-1945 served as deputy chief of the Polish
General Staff's Section II (intelligence) in Great Britain.
62:
that, beginning in fall 1935, he received intelligence whose source he had not been informed of and which in fact came from
207:
95:
32:
103:
112:
Leśniak recalled that the decrypts included messages between the German
Ministry of War in Berlin and
240:
235:
215:
212:
Enigma: How the German
Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two
82:
168:
160:
90:, the General Staff's intelligence chief. Henceforth Leśniak was in direct contact with Col.
149:
99:
71:
137:
67:
59:
224:
196:
141:
133:
91:
87:
78:
40:
36:
218:, Frederick, MD, University Publications of America, 1984, pp. 58, 64-66.
132:
The Enigma decrypts helped Polish intelligence build up before the outbreak of
16:
126:
63:
182:
He died after being struck by a motor vehicle while visiting Vienna in 1976.
51:
Leśniak was from fall 1935 deputy director of the Polish
General Staff's
154:
52:
167:
In mid-April 1939, Leśniak turned the German Office over to Lt. Col.
28:
15:
122:
136:
a remarkably (95%) complete picture of the German military
55:
Office and for a year, from April 1938, its director.
152:
was having difficulties with decryption, except for
77:
Like
British and American officers who would during
8:
192:History of Polish intelligence services
70:messages by the Polish General Staff's
7:
14:
106:of the Bureau's German section.
58:Leśniak in 1976 told historian
1:
164:and some air force messages.
231:Polish intelligence officers
214:, edited and translated by
257:
27:(1898 – 1976 in
21:
33:military intelligence
19:
216:Christopher Kasparek
208:Władysław Kozaczuk
116:es in Königsberg (
104:Wiktor Michałowski
96:Maksymilian Ciężki
22:
161:Sicherheitsdienst
102:and with Captain
248:
256:
255:
251:
250:
249:
247:
246:
245:
221:
220:
205:
188:
138:order of battle
49:
35:officer in the
31:) was a Polish
12:
11:
5:
254:
252:
244:
243:
238:
233:
223:
222:
204:
201:
200:
199:
194:
187:
184:
169:Stanisław Bień
144:preparations.
60:Richard Woytak
48:
45:
13:
10:
9:
6:
4:
3:
2:
253:
242:
239:
237:
234:
232:
229:
228:
226:
219:
217:
213:
209:
202:
198:
197:List of Poles
195:
193:
190:
189:
185:
183:
180:
177:
173:
170:
165:
163:
162:
157:
156:
151:
150:Cipher Bureau
145:
143:
139:
135:
130:
128:
125:and into the
124:
119:
115:
110:
107:
105:
101:
100:Cipher Bureau
97:
93:
89:
84:
80:
75:
73:
72:Cipher Bureau
69:
65:
61:
56:
54:
46:
44:
42:
38:
34:
30:
26:
18:
211:
206:
181:
178:
174:
166:
159:
153:
146:
142:mobilization
134:World War II
131:
117:
113:
111:
108:
92:Gwido Langer
88:Stefan Mayer
79:World War II
76:
57:
50:
41:World War II
24:
23:
241:1976 deaths
236:1898 births
140:and of her
37:Interbellum
25:Jan Leśniak
20:Jan Leśniak
225:Categories
203:References
127:Baltic Sea
94:and Major
66:of German
64:decryption
118:Wehrkreis
114:Wehrkreis
186:See also
81:receive
155:Gestapo
98:of the
68:Enigma
53:German
47:Career
29:Vienna
83:Ultra
158:and
123:Kiel
39:and
227::
210:,
129:.
74:.
43:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
